Matiz |
||||||||
|
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Attempt to start the engine.
Does the engine start?
|
-
|
Go to Step 3
|
Refer to "Engine Cranks But Will Not Run"
|
3 |
Is the DTC P0336 set?
|
-
|
Go to Step 4
|
Go to "Diagnostic Aids"
|
4 |
Is the problem found?
|
-
|
Go to Step 5
|
Go to Step 6
|
5 |
Repair the open or low voltage in the 58X reference circuit between the CKP sensor connector and the ECM harness connector.
Is the repair complete?
|
-
|
Go to Step 11
|
-
|
6 |
Is the voltage near the specified value?
|
2.5V
|
Go to Step 9
|
Go to Step 7
|
7 |
Check the connection at the CKP sensor and replace the terminals if necessary.
Do any terminals require replacement?
|
-
|
Go to Step 11
|
Go to Step 8
|
8 |
Replace the CKP sensor.
Is the replacement complete?
|
-
|
Go to Step 11
|
-
|
9 |
Check the connections at the ECM and replace the terminals if necessary.
Do any terminal require replacement?
|
-
|
Go to Step 11
|
Go to Step 10
|
10 |
Replace the ECM.
Is the replacement complete?
|
-
|
Go to Step 11
|
-
|
11 |
Does the scan tool indicate that this diagnostic run and passed?
|
-
|
Go to Step 12
|
Go to Step 2
|
12 |
Check if any additional DTCs are set.
Are any DTCs displaced that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Attempt to start the engine.
Does the engine start?
|
-
|
Go to Step 3
|
Refer to "Engine Cranks But Will Not Run"
|
3 |
Is the DTC P0337 set?
|
-
|
Go to Step 4
|
Go to "Diagnostic Aids"
|
4 |
Is the problem found?
|
-
|
Go to Step 5
|
Go to Step 6
|
5 |
Repair the open or low voltage in the 58X reference circuit between the CKP sensor connector and the ECM harness connector.
Is the repair complete?
|
-
|
Go to Step 11
|
-
|
6 |
Is the voltage near the specified value?
|
2.5V
|
Go to Step 9
|
Go to Step 7
|
7 |
Check the connection at the CKP sensor and replace the terminals if necessary.
Do any terminals require replacement?
|
-
|
Go to Step 11
|
Go to Step 8
|
8 |
Replace the CKP sensor.
Is the replacement complete?
|
-
|
Go to Step 11
|
-
|
9 |
Check the connections at the ECM and replace the terminals if necessary.
Do any terminal require replacement?
|
-
|
Go to Step 11
|
Go to Step 10
|
10 |
Replace the ECM.
Is the replacement complete?
|
-
|
Go to Step 11
|
-
|
11 |
Does the scan tool indicate that this diagnostic run and passed?
|
-
|
Go to Step 12
|
Go to Step 2
|
12 |
Check if any additional DTCs are set.
Are any DTCs displaced that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Is the problem found?
|
-
|
Go to Step 4
|
Go to Step 3
|
3 |
Is the problem found?
|
-
|
Go to Step 4
|
Go to Step 5
|
4 |
Is the repair complete?
|
-
|
System OK
|
-
|
5 |
Does DTC P0341 reset?
|
-
|
System OK
|
Go to Step 6
|
6 |
Is the replacement complete?
|
-
|
Go to Step 7
|
-
|
7 |
Does the scan tool indicate that this diagnostic run and passed?
|
-
|
Go to Step 8
|
-
|
8 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Is the problem found?
|
-
|
Go to Step 4
|
Go to Step 3
|
3 |
Is the problem found?
|
-
|
Go to Step 4
|
Go to Step 5
|
4 |
Is the repair complete?
|
-
|
System OK
|
-
|
5 |
Does DTC P0342 reset?
|
-
|
System OK
|
Go to Step 6
|
6 |
Is the replacement complete?
|
-
|
Go to Step 7
|
-
|
7 |
Does the scan tool indicate that this diagnostic run and passed?
|
-
|
Go to Step 8
|
-
|
8 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Check for a faulty connection or a damaged terminal 1 at the ignition coil.
Is a problem found?
|
-
|
Go to Step 8
|
Go to Step 3
|
3 |
Check for a faulty connection or a damaged terminal 31 at the engine control module(ECM) connector.
Is the problem found?
|
-
|
Go to Step 8
|
Go to Step 4
|
4 |
Is the problem found?
|
-
|
Go to Step 8
|
Go to Step 5
|
5 |
Check the ignition control circuit for a short to battery voltage.
Is the problem found?
|
-
|
Go to Step 8
|
Go to Step 6
|
6 |
Check for an open in the ignition control.
Is the problem found?
|
-
|
Go to Step 8
|
Go to Step 7
|
7 |
Replace the ECM.
Is the replacement complete?
|
-
|
Go to Step 8
|
-
|
8 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 9
|
-
|
9 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Check for a faulty connection or a damaged terminal 3 at the ignition coil.
Is a problem found?
|
-
|
Go to Step 8
|
Go to Step 3
|
3 |
Check for a faulty connection or a damaged terminal 32 at the engine control module(ECM) connector.
Is the problem found?
|
-
|
Go to Step 8
|
Go to Step 4
|
4 |
Is the problem found?
|
-
|
Go to Step 8
|
Go to Step 5
|
5 |
Check the ignition control circuit for a short to battery voltage.
Is the problem found?
|
-
|
Go to Step 8
|
Go to Step 6
|
6 |
Check for an open in the ignition control.
Is the problem found?
|
-
|
Go to Step 8
|
Go to Step 7
|
7 |
Replace the ECM.
Is the replacement complete?
|
-
|
Go to Step 8
|
-
|
8 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 9
|
-
|
9 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Check for a faulty connection or a damaged terminal 3 at the ignition coil.
Is a problem found?
|
-
|
Go to Step 8
|
Go to Step 3
|
3 |
Check for a faulty connection or a damaged terminal 32 at the engine control module(ECM) connector.
Is the problem found?
|
-
|
Go to Step 8
|
Go to Step 4
|
4 |
Is the problem found?
|
-
|
Go to Step 8
|
Go to Step 5
|
5 |
Check the ignition control circuit for a short to battery voltage.
Is the problem found?
|
-
|
Go to Step 8
|
Go to Step 6
|
6 |
Check for an open in the ignition control.
Is the problem found?
|
-
|
Go to Step 8
|
Go to Step 7
|
7 |
Replace the ECM.
Is the replacement complete?
|
-
|
Go to Step 8
|
-
|
8 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 9
|
-
|
9 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Was the check performed?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the scan tool indicate that DTC P1382 failed?
|
-
|
Go to Step 4
|
Go to Step 3
|
3 |
Is the repair complete?
|
-
|
Go to Step 14
|
Go to "Diagnostic Aids"
|
4 |
Is the VR sensor value near the specified value?
|
0V
|
Go to Step 5
|
Go to Step 12
|
5 |
Is the VR sensor value near the specified value?
|
4.95V
|
Go to Step 6
|
Go to Step 7
|
6 |
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 10
|
7 |
Check the 5 volt reference circuit for high resistance, an open between the ECM and the VR sensor, or a poor connection at the terminal 55 of the ECM and repair as needed.
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 8
|
8 |
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 9
|
9 |
Check the VR sensor signal circuit for a poor connection at the ECM and repair as needed.
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 13
|
10 |
Check for a poor connection at terminal 2 of the VR sensor and repair as needed.
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 11
|
11 |
Replace the VR sensor.
Is the repair complete?
|
-
|
Go to Step 14
|
-
|
12 |
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 13
|
13 |
Is the repair complete?
|
-
|
Go to Step 14
|
-
|
14 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 15
|
Go to Step 2
|
15 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Was the check performed?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the scan tool indicate that DTC P1382 failed?
|
-
|
Go to Step 4
|
Go to Step 3
|
3 |
Is the repair complete?
|
-
|
Go to Step 14
|
Go to "Diagnostic Aids"
|
4 |
Is the Wheel speed sensor value near the specified value?
|
0V
|
Go to Step 5
|
Go to Step 12
|
5 |
Is the wheel speed sensor value near the specified value?
|
4.95V
|
Go to Step 6
|
Go to Step 7
|
6 |
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 10
|
7 |
Check the 5 volt reference circuit for high resistance, an open between the ECM and the wheel speed sensor, or a poor connection of the ECM and repair as needed.
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 8
|
8 |
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 9
|
9 |
Check the wheel speed sensor signal circuit for a poor connection at the ECM and repair as needed.
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 13
|
10 |
Check for a poor connection at terminal 3 of the wheel speed sensor and repair as needed.
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 11
|
11 |
Replace the wheel speed sensor.
Is the repair complete?
|
-
|
Go to Step 14
|
-
|
12 |
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 13
|
13 |
Is the repair complete?
|
-
|
Go to Step 14
|
-
|
14 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 15
|
Go to Step 2
|
15 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Was the check performed?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the scan tool indicate that DTC P1382 failed?
|
-
|
Go to Step 4
|
Go to Step 3
|
3 |
Is the repair complete?
|
-
|
Go to Step 14
|
Go to "Diagnostic Aids"
|
4 |
Is the VR sensor value near the specified value?
|
0V
|
Go to Step 5
|
Go to Step 12
|
5 |
Is the VR sensor value near the specified value?
|
4.95V
|
Go to Step 6
|
Go to Step 7
|
6 |
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 10
|
7 |
Check the 5 volt reference circuit for high resistance, an open between the ECM and the VR sensor, or a poor connection at the terminal 85 of the ECM and repair as needed.
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 8
|
8 |
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 9
|
9 |
Check the VR sensor signal circuit for a poor connection at the ECM and repair as needed.
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 13
|
10 |
Check for a poor connection at terminal 2 of the VR sensor and repair as needed.
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 11
|
11 |
Replace the VR sensor.
Is the repair complete?
|
-
|
Go to Step 14
|
-
|
12 |
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 13
|
13 |
Is the repair complete?
|
-
|
Go to Step 14
|
-
|
14 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 15
|
Go to Step 2
|
15 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Was the check performed?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the scan tool indicate that DTC P1385 failed?
|
-
|
Go to Step 4
|
Go to Step 3
|
3 |
Is the repair complete?
|
-
|
Go to Step 14
|
Go to "Diagnostic Aids"
|
4 |
Is the Wheel speed sensor value near the specified value?
|
0V
|
Go to Step 5
|
Go to Step 12
|
5 |
Is the VR sensor value near the specified value?
|
4.95V
|
Go to Step 6
|
Go to Step 7
|
6 |
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 10
|
7 |
Check the 5 volt reference circuit for high resistance, an open between the ECM and the Wheel speed sensor, or a poor connection of the ECM and repair as needed.
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 8
|
8 |
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 9
|
9 |
Check the Wheel speed sensor signal circuit for a poor connection at the ECM and repair as needed.
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 13
|
10 |
Check for a poor connection at terminal 3 of the Wheel speed sensor and repair as needed.
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 11
|
11 |
Replace the Wheel speed sensor.
Is the repair complete?
|
-
|
Go to Step 14
|
-
|
12 |
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 13
|
13 |
Is the repair complete?
|
-
|
Go to Step 14
|
-
|
14 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 15
|
Go to Step 2
|
15 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the Actual EEGR Position follow the desired EEGR position?
|
25%, 50%, 75%, 100%
|
Go to Step 19
|
Go to Step 3
|
3 |
Does the test light illuminate?
|
-
|
Go to Step 4
|
Go to Step 5
|
3 |
After the command is raised, does the test light glow brighter, flash or maintain a steady glow?
|
25%, 50%, 75%, 100%
|
Go to Step 6
|
Go to Step 7
|
5 |
Repair the open or poor connection in the EEGR ground circuit.
Is the repair complete?
|
-
|
Go to Step 19
|
-
|
6 |
With a test light still connected to ground, probe the signal circuit at terminal 1.
Does the test light illuminate?
|
-
|
Go to Step 8
|
Go to Step 9
|
7 |
With a test light still connected to ground, again probe the signal circuit without commanding the EEGR valve with the scan tool.
Does the test light illuminate?
|
-
|
Go to Step 10
|
Go to Step 11
|
8 |
Check the signal circuit for a short to voltage and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 12
|
9 |
With a digital voltmeter (DVM) connected to ground, probe the 5V reference circuit at terminal 3.
Is the voltage measured near the specified value?
|
5V
|
Go to Step 13
|
Go to Step 14
|
10 |
Check the control circuit for a short to battery voltage and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 12
|
11 |
Connect the test light to B+ and again probe the control circuit at terminal 4.
Does the test light illuminate?
|
-
|
Go to Step 15
|
Go to Step 16
|
12 |
Replace the engine control module (ECM).
Is the replacement complete?
|
-
|
Go to Step 19
|
-
|
13 |
Check the EEGR ground circuit for a poor connection or proper terminal tension at the ECM and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 17
|
14 |
Check the 5V reference circuit for a shortage to vattery voltage and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 12
|
15 |
Check the control circuit for a shortage to ground and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 12
|
16 |
Check the control circuit for an open or poor connection at the EEGR valve electrical connector and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 18
|
17 |
Replace the EEGR valve.
Is the replacement complete?
|
-
|
Go to Step 19
|
-
|
18 |
Check the ECM electrical connector for a poor connection and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 12
|
19 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 20
|
Go to Step 2
|
20 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the engine stall or attempt to stall?
|
50%
|
Go to Step 5
|
Go to Step 3
|
3 |
Is a repair necessary?
|
-
|
Go to Step 5
|
Go to Step 4
|
4 |
Replace the EEGR valve.
Is the replacement complete?
|
-
|
Go to Step 5
|
-
|
5 |
Is the EEGR Decel Filter Values less than the specified value?
|
10 secnds
60mph
(97km/h)
20mph
(32km/h)
0mph
|
Go to Step 3
|
Go to Step 6
|
6 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 7
|
Go to Step 2
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the Actual EEGR Position follow the desired EEGR position?
|
25%, 50%, 75%, 100%
|
Go to Step 19
|
Go to Step 3
|
3 |
Does the test light illuminate?
|
-
|
Go to Step 4
|
Go to Step 5
|
4 |
After the command is raised, does the test light glow brighter, flash or maintain a steady glow?
|
25%, 50%, 75%, 100%
|
Go to Step 6
|
Go to Step 7
|
5 |
Repair the open or poor connection in the EEGR ground circuit.
Is the repair complete?
|
-
|
Go to Step 19
|
-
|
6 |
With a test light still connected to ground, probe the signal circuit at terminal 1.
Does the test light illuminate?
|
-
|
Go to Step 8
|
Go to Step 9
|
7 |
With a test light still connected to ground, again probe the signal circuit without commanding the EEGR valve with the scan tool.
Does the test light illuminate?
|
-
|
Go to Step 10
|
Go to Step 11
|
8 |
Check the signal circuit for a short to voltage and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 12
|
9 |
With a digital voltmeter (DVM) connected to ground, probe the 5V reference circuit at terminal 3.
Is the voltage measured near the specified value?
|
5V
|
Go to Step 13
|
Go to Step 14
|
10 |
Check the control circuit for a short to battery voltage and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 12
|
11 |
Connect the test light to B+ and again probe the control circuit at terminal 4.
Does the test light illuminate?
|
-
|
Go to Step 15
|
Go to Step 16
|
12 |
Replace the engine control module (ECM).
Is the replacement complete?
|
-
|
Go to Step 19
|
-
|
13 |
Check the EEGR ground circuit for a poor connection or proper terminal tension at the ECM and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 17
|
14 |
Check the 5V reference circuit for a shortage to battery voltage and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 12
|
15 |
Check the control circuit for a shortage to ground and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 12
|
16 |
Check the control circuit for an open or poor connection at the EEGR valve electrical connector and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 18
|
17 |
Replace the EEGR valve.
Is the replacement complete?
|
-
|
Go to Step 19
|
-
|
18 |
Check the ECM electrical connector for a poor connection and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 12
|
19 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 20
|
Go to Step 2
|
20 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the Actual EEGR Position follow the desired EEGR position?
|
25%, 50%, 75%, 100%
|
Go to Step 19
|
Go to Step 3
|
3 |
Does the test light illuminate?
|
-
|
Go to Step 4
|
Go to Step 5
|
4 |
After the command is raised, does the test light glow brighter, flash or maintain a steady glow?
|
25%, 50%, 75%, 100%
|
Go to Step 6
|
Go to Step 7
|
5 |
Repair the open or poor connection in the EEGR ground circuit.
Is the repair complete?
|
-
|
Go to Step 19
|
-
|
6 |
With a test light still connected to ground, probe the signal circuit at terminal 1.
Does the test light illuminate?
|
-
|
Go to Step 8
|
Go to Step 9
|
7 |
With a test light still connected to ground, again probe the signal circuit without commanding the EEGR valve with the scan tool.
Does the test light illuminate?
|
-
|
Go to Step 10
|
Go to Step 11
|
8 |
Check the signal circuit for a short to voltage and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 12
|
9 |
With a digital voltmeter (DVM) connected to ground, probe the 5V reference circuit at terminal 3.
Is the voltage measured near the specified value?
|
5V
|
Go to Step 13
|
Go to Step 14
|
10 |
Check the control circuit for a short to battery voltage and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 12
|
11 |
Connect the test light to B+ and again probe the control circuit at terminal 4.
Does the test light illuminate?
|
-
|
Go to Step 15
|
Go to Step 16
|
12 |
Replace the engine control module (ECM).
Is the replacement complete?
|
-
|
Go to Step 19
|
-
|
13 |
Check the EEGR ground circuit for a poor connection or proper terminal tension at the ECM and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 17
|
14 |
Check the 5V reference circuit for a shortage to battery voltage and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 12
|
15 |
Check the control circuit for a shortage to ground and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 12
|
16 |
Check the control circuit for an open or poor connection at the EEGR valve electrical connector and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 18
|
17 |
Replace the EEGR valve.
Is the replacement complete?
|
-
|
Go to Step 19
|
-
|
18 |
Check the ECM electrical connector for a poor connection and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 12
|
19 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 20
|
Go to Step 2
|
20 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the Actual EEGR Position follow the desired EEGR position?
|
25%, 50%, 75%, 100%
|
Go to Step 19
|
Go to Step 3
|
3 |
Does the DVM read near the specified value?
|
5V
|
Go to Step 4
|
Go to Step 5
|
4 |
Jumper the 5 volt reference circuit to the signal circuit at terminals 2 and 3.
Does the actual EEGR position display the specified value ?
|
100%
|
Go to Step 6
|
Go to Step 7
|
5 |
Does the test light illuminate?
|
-
|
Go to Step 6
|
Go to Step 7
|
6 |
Check the 5 volt reference and signal circuit for a poor connection or proper terminal tension and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 12
|
Go to Step 7
|
7 |
Does the test light illuminate?
|
-
|
Go to Step 8
|
Go to Step 9
|
8 |
Check for a high voltage in the EEGR valve 5 volt reference circuit and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 12
|
Go to Step 9
|
9 |
Replace the EEGR valve.
Is a replacement complete?
|
-
|
Go to Step 12
|
-
|
10 |
Check for a high voltage in the EEGR valve signal circuit and repair as necessary
Is a repair necessary?
|
-
|
Go to Step 12
|
Go to Step 11
|
11 |
Replace the engine control module(ECM).
Is a replacement complete?
|
-
|
Go to Step 12
|
-
|
12 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 13
|
Go to Step 2
|
13 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the Actual EEGR Position follow the desired EEGR position?
|
25%, 50%, 75%, 100%
|
Go to Step 19
|
Go to Step 3
|
3 |
Does the DVM read near the specified value?
|
−0.01V
|
Go to Step 4
|
Go to Step 5
|
4 |
Jumper the 5 volt reference circuit to the signal circuit at terminals 2 and 3.
Does the actual EEGR position display the specified value ?
|
100%
|
Go to Step 6
|
Go to Step 7
|
5 |
Does the test light illuminate?
|
-
|
Go to Step 6
|
Go to Step 7
|
6 |
Check the 5 volt reference and signal circuit for a poor connection or proper terminal tension and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 12
|
Go to Step 7
|
7 |
Does the test light illuminate?
|
-
|
Go to Step 8
|
Go to Step 9
|
8 |
Check for a low voltage in the EEGR valve 5 volt reference circuit and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 12
|
Go to Step 9
|
9 |
Replace the EEGR valve
Is a replacement complete?
|
-
|
Go to Step 12
|
-
|
10 |
Check for a low voltage in the EEGR valve signal circuit and repair as necessary
Is a repair necessary?
|
-
|
Go to Step 12
|
Go to Step 11
|
11 |
Replace the engine control module(ECM).
Is a replacement complete?
|
-
|
Go to Step 12
|
-
|
12 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 13
|
Go to Step 2
|
13 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the Actual EEGR Position follow the desired EEGR position?
|
25%, 50%, 75%, 100%
|
Go to Step 19
|
Go to Step 3
|
3 |
Does the DVM read near the specified value?
|
More than 5V
|
Go to Step 4
|
Go to Step 5
|
4 |
Jumper the 5 volt reference circuit to the signal circuit at terminals 2 and 3.
Does the actual EEGR position display the specified value ?
|
100%
|
Go to Step 6
|
Go to Step 7
|
5 |
Does the test light illuminate?
|
-
|
Go to Step 6
|
Go to Step 7
|
6 |
Check the 5 volt reference and signal circuit for a poor connection or proper terminal tension and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 12
|
Go to Step 7
|
7 |
Does the test light illuminate?
|
-
|
Go to Step 8
|
Go to Step 9
|
8 |
Check for a high voltage in the EEGR valve 5 volt reference circuit and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 12
|
Go to Step 9
|
9 |
Replace the EEGR valve
Is a replacement complete?
|
-
|
Go to Step 12
|
-
|
10 |
Check for a high voltage in the EEGR valve signal circuit and repair as necessary
Is a repair necessary?
|
-
|
Go to Step 12
|
Go to Step 11
|
11 |
Replace the engine control module(ECM).
Is a replacement complete?
|
-
|
Go to Step 12
|
-
|
12 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 13
|
Go to Step 2
|
13 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Was the check performed?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Are any component Diagnostic Trouble Codes (DTCs) set?
|
-
|
Go to Applicable DTC table
|
Go to Step 3
|
3 |
Is a problem found?
|
-
|
Go to Step 4
|
Go to Step 5
|
4 |
Repair the exhaust system as needed.
Is the repair complete?
|
-
|
Go to Step 6
|
-
|
5 |
Replace the Three Way Catalytic Converter (TWC).
Is the repair complete?
|
-
|
Go to Step 6
|
-
|
6 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 7
|
Go to Step 2
|
7 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Is the test light ON?
|
-
|
Go to Step 3
|
Go to Step 5
|
3 |
Is the test light ON?
|
-
|
Go to Step 4
|
Go to Step 6
|
4 |
Is the repair complete?
|
-
|
System OK
|
-
|
5 |
Is the repair complete?
|
-
|
System OK
|
-
|
6 |
Is the repair complete?
|
-
|
Go to Step 7
|
-
|
7 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 7
|
Go to Step 2
|
8 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the resistance measure near within the value specified?
|
30Ω
|
Go to Step 3
|
Go to Step 9
|
3 |
Connect a test light between EVAP canister purge valve connector terminal 2 and ground.
Is the test light ON?
|
-
|
Go to Step 4
|
Go to Step 6
|
4 |
Is the test light ON?
|
-
|
Go to Step 5
|
Go to Step 7
|
5 |
Is the repair complete?
|
-
|
System OK
|
-
|
6 |
Is the test light ON?
|
-
|
Go to Step 7
|
Go to Step 9
|
7 |
Is the test light ON?
|
-
|
Go to Step 8
|
Go to Step 10
|
8 |
Is the repair complete?
|
-
|
System OK
|
-
|
9 |
Is the repair complete?
|
-
|
Go to Step 10
|
-
|
10 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 11
|
Go to Step 2
|
11 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Is the Diagnostic Trouble Code (DTC) P0462 set?
|
-
|
Go to Step 3
|
Go to "Diagnostic Aids"
|
3 |
Is the voltage within the specified value?
|
0.2-4.8V
|
Go to Step 4
|
Go to Step 6
|
4 |
Check for a proper ground connection at the fuel tank and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 11
|
Go to Step 5
|
5 |
Does the Fuel Level Sensor value on the scan tool increase and then decrease steadily when the float is moved?
|
-
|
Go to "Diagnostic Aids"
|
Go to Step 8
|
6 |
Check for an open or short to ground in the Fuel Level Sensor circuit and repair as necessary.
Is the repair necessary?
|
-
|
Go to Step 11
|
Go to Step 9
|
7 |
Repair the open or short to ground in the Fuel Level Sensor circuit between the Fuel Level Sensor harness connector and the Fuel Level Sensor.
Is the repair complete?
|
-
|
Go to Step 11
|
-
|
8 |
Replace the fuel sender assembly.
Is the replacement complete?
|
-
|
Go to Step 11
|
-
|
9 |
Does the DVM read within the specified value?
|
0.2-4.8V
|
Go to Step 10
|
Go to section 9E, Instrumentation/Driver Information
|
10 |
Replace the ECM.
Is the repair complete?
|
-
|
Go to Step 11
|
-
|
11 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 12
|
Go to Step 2
|
12 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Is the Diagnostic Trouble Code (DTC) P0463 set?
|
-
|
Go to Step 3
|
Go to "Diagnostic Aids"
|
3 |
Is the voltage within the specified value?
|
0.2-4.9V
|
Go to Step 4
|
Go to Step 6
|
4 |
Check for a proper ground connection at the fuel tank and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 11
|
Go to Step 5
|
5 |
Does the Fuel Level Sensor value on the scan tool increase and then decrease steadily when the float is moved?
|
-
|
Go to "Diagnostic Aids"
|
Go to Step 8
|
6 |
Check for an open or short to battery voltage in the Fuel Level Sensor circuit and repair as necessary.
Is the repair necessary?
|
-
|
Go to Step 11
|
Go to Step 9
|
7 |
Repair the open or short to battery voltage in the Fuel Level Sensor circuit between the Fuel Level Sensor harness connector and the Fuel Level Sensor.
Is the repair complete?
|
-
|
Go to Step 11
|
-
|
8 |
Replace the fuel sender assembly.
Is the replacement complete?
|
-
|
Go to Step 11
|
-
|
9 |
Does the DVM read within the specified value?
|
0.2-4.9V
|
Go to Step 10
|
Go to section 9E, Instrumentation/Driver Information
|
10 |
Replace the ECM.
Is the repair complete?
|
-
|
Go to Step 11
|
-
|
11 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 12
|
Go to Step 2
|
12 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the relay turn ON and OFF when commanded?
|
-
|
Go to Step 3
|
Go to Step 5
|
3 |
Does the amperage measure less than the specified value?
|
0.75 amps
|
Go to "Diagnostic Aids"
|
Go to Step 4
|
4 |
Does the DVM display infinite resistance?
|
-
|
Go to Step 12
|
Go to Step 10
|
5 |
Does the test light turn ON and OFF with each commanded?
|
-
|
Go to Step 8
|
Go to Step 6
|
6 |
With the test light connected to ground, probe the ignition feed circuit in the relay harness connector.
Does the test light illuminate?
|
-
|
Go to Step 7
|
Go to Step 11
|
7 |
Does the relay operate?
|
-
|
Go to Step 9
|
Go to Step 10
|
8 |
Check the connections at the relay.
Is a problem found and corrected?
|
-
|
Go to Step 14
|
Go to Step 12
|
9 |
Check the connection at the ECM.
Is a problem found and corrected?
|
-
|
Go to Step 11
|
Go to Step 13
|
10 |
Repair the faulty relay control circuit.
Is the repair complete?
|
-
|
Go to Step 14
|
-
|
11 |
Repair the faulty relay ignition feed circuit.
Is the repair complete?
|
-
|
Go to Step 14
|
-
|
12 |
Replace the relay.
Is the replacement complete?
|
-
|
Go to Step 14
|
-
|
13 |
Replace the ECM.
Is the replacement complete?
|
-
|
Go to Step 14
|
-
|
14 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 15
|
Go to Step 2
|
15 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the relay turn ON and OFF when commanded?
|
-
|
Go to Step 3
|
Go to Step 5
|
3 |
Does the amperage measure less than the specified value?
|
0.75 amps
|
Go to "Diagnostic Aids"
|
Go to Step 4
|
4 |
Does the DVM display infinite resistance?
|
-
|
Go to Step 12
|
Go to Step 10
|
5 |
Does the test light turn ON and OFF with each commanded?
|
-
|
Go to Step 8
|
Go to Step 6
|
6 |
With the test light connected to ground, probe the ignition feed circuit in the relay harness connector.
Does the test light illuminate?
|
-
|
Go to Step 7
|
Go to Step 11
|
7 |
Does the relay operate?
|
-
|
Go to Step 9
|
Go to Step 10
|
8 |
Check the connections at the relay.
Is a problem found and corrected?
|
-
|
Go to Step 14
|
Go to Step 12
|
9 |
Check the connection at the ECM.
Is a problem found and corrected?
|
-
|
Go to Step 11
|
Go to Step 13
|
10 |
Repair the faulty relay control circuit.
Is the repair complete?
|
-
|
Go to Step 14
|
-
|
11 |
Repair the faulty relay ignition feed circuit.
Is the repair complete?
|
-
|
Go to Step 14
|
-
|
12 |
Replace the relay.
Is the replacement complete?
|
-
|
Go to Step 14
|
-
|
13 |
Replace the ECM.
Is the replacement complete?
|
-
|
Go to Step 14
|
-
|
14 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 15
|
Go to Step 2
|
15 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the relay turn ON and OFF when commanded?
|
-
|
Go to Step 3
|
Go to Step 5
|
3 |
Does the amperage measure less than the specified value?
|
0.75 amps
|
Go to "Diagnostic Aids"
|
Go to Step 4
|
4 |
Does the DVM display infinite resistance?
|
-
|
Go to Step 12
|
Go to Step 10
|
5 |
Does the test light turn ON and OFF with each commanded?
|
-
|
Go to Step 8
|
Go to Step 6
|
6 |
With the test light connected to ground, probe the ignition feed circuit in the relay harness connector.
Does the test light illuminate?
|
-
|
Go to Step 7
|
Go to Step 11
|
7 |
Does the relay operate?
|
-
|
Go to Step 9
|
Go to Step 10
|
8 |
Check the connections at the relay.
Is a problem found and corrected?
|
-
|
Go to Step 14
|
Go to Step 12
|
9 |
Check the connection at the ECM.
Is a problem found and corrected?
|
-
|
Go to Step 11
|
Go to Step 13
|
10 |
Repair the faulty relay control circuit.
Is the repair complete?
|
-
|
Go to Step 14
|
-
|
11 |
Repair the faulty relay ignition feed circuit.
Is the repair complete?
|
-
|
Go to Step 14
|
-
|
12 |
Replace the relay.
Is the replacement complete?
|
-
|
Go to Step 14
|
-
|
13 |
Replace the ECM.
Is the replacement complete?
|
-
|
Go to Step 14
|
-
|
14 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 15
|
Go to Step 2
|
15 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the relay turn ON and OFF when commanded?
|
-
|
Go to Step 3
|
Go to Step 5
|
3 |
Does the amperage measure less than the specified value?
|
0.75 amps
|
Go to "Diagnostic Aids"
|
Go to Step 4
|
4 |
Does the DVM display infinite resistance?
|
-
|
Go to Step 12
|
Go to Step 10
|
5 |
Does the test light turn ON and OFF with each commanded?
|
-
|
Go to Step 8
|
Go to Step 6
|
6 |
With the test light connected to ground, probe the ignition feed circuit in the relay harness connector.
Does the test light illuminate?
|
-
|
Go to Step 7
|
Go to Step 11
|
7 |
Does the relay operate?
|
-
|
Go to Step 9
|
Go to Step 10
|
8 |
Check the connections at the relay.
Is a problem found and corrected?
|
-
|
Go to Step 14
|
Go to Step 12
|
9 |
Check the connection at the ECM.
Is a problem found and corrected?
|
-
|
Go to Step 11
|
Go to Step 13
|
10 |
Repair the faulty relay control circuit.
Is the repair complete?
|
-
|
Go to Step 14
|
-
|
11 |
Repair the faulty relay ignition feed circuit.
Is the repair complete?
|
-
|
Go to Step 14
|
-
|
12 |
Replace the relay.
Is the replacement complete?
|
-
|
Go to Step 14
|
-
|
14 |
Replace the ECM.
Is the replacement complete?
|
-
|
Go to Step 14
|
-
|
15 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 15
|
Go to Step 2
|
16 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Notice : Running the vehicle in gear with the wheels hanging down at full travel will damage the drive axles.
Does the scan tool display vehicle speed above the specified value?
|
0 mph
|
Go to Step 3
|
Go to Step 4
|
3 |
Does the scan tool display the vehicle speed above the specified value?
|
0 mph
|
Go to Step 12
|
Go to Step 4
|
4 |
Is the voltage greater than or eqaul to specified value?
|
0.5 v
|
Go to Step 12
|
Go to Step 5
|
5 |
Measure the resistant in the VSS signal circuit while rotating the wheels.
Is the resistance greater than the specified value?
|
1950 Ω
|
Go to Step 6
|
Go to Step 7
|
6 |
Check the VSS signal circuit for an open and repair as necessary.
Is the repair complete?
|
-
|
Go to Step 12
|
Go to Step 9
|
7 |
Is the resistance value within or equal to the specified value?
|
1300-1950 Ω
|
Go to Step 8
|
Go to Step 9
|
8 |
Check the VSS signal circuit for a short to ground or for being shorted together and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 12
|
Go to Step 12
|
9 |
Is the resistance value within the specified value?
|
1300-1950 Ω
|
Go to Step 11
|
Go to Step 10
|
10 |
Replace the VSS.
Is the action complete?
|
-
|
Go to Step 12
|
-
|
11 |
Replace the ECM.
Is the action complete?
|
-
|
Go to Step 12
|
-
|
12 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 15
|
Go to Step 2
|
13 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Was the check performed?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the rpm change smoothly when he commanded by the scan tool?
|
900-1200 rpm
|
Go to Step 3
|
Go to Step 5
|
3 |
Is the resistance within the specified value?
|
40-80 Ω
|
Go to Step 4
|
Go to Step 13
|
4 |
Is the resistance equal to the specified value?
|
∞
|
Go to Step 15
|
Go to Step 13
|
5 |
Does the test light illuminate on D terminals?
|
-
|
Go to Step 6
|
Go to Step 7
|
6 |
With test light connected to B+, probe the IAC connector terminals.
Does the test light illuminate on D terminals?
|
-
|
Go to Step 8
|
Go to Step 9
|
7 |
Check for an open or short to ground in the IAC high and low circuits and repair as needed.
Is the repair complete?
|
-
|
Go to Step 15
|
Go to Step 10
|
8 |
Does the test light flash On and OFF for all terminals?
|
-
|
Go to Step 11
|
Go to Step 12
|
9 |
Check for an open or a short to voltage in the IAC valve high and low circuits and repair as needed.
Is the repair complete?
|
-
|
Go to Step 15
|
Go to Step 10
|
10 |
Check the Engine control Module (ECM) connector for poor connections and repair as needed.
Is the repair complete?
|
-
|
Go to Step 15
|
Go to Step 14
|
11 |
Inspect the IAC valve passages and repair as needed.
Is the repair complete?
|
-
|
Go to Step 15
|
Go to Step 13
|
12 |
Check the test light.
Does the test light remain on constantly for the terminals that did not blink?
|
-
|
Go to Step 9
|
Go to Step 7
|
13 |
Is the repair complete?
|
-
|
Go to Step 15
|
-
|
14 |
Is the repair complete?
|
-
|
Go to Step 15
|
-
|
15 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 16
|
Go to Step 2
|
16 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC Table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the resistance within the specified value?
|
0Ω
|
Go to Step 7
|
Go to Step 3
|
3 |
Does the test light illuminate?
|
-
|
Go to Step 4
|
Go to Step 5
|
4 |
Repair a short to battery between the terminal 46 of ECM and A/C compressor relay terminal 2.
Is the repair complete?
|
-
|
Go to Step 9
|
-
|
5 |
Does the test light illuminate?
|
-
|
Go to Step 6
|
Go to Step 8
|
6 |
Repair a short to battery between the ECM wiring connector terminal 46 and evaporator temperature sensor terminal 2.
Is the repair complete?
|
-
|
Go to Step 9
|
-
|
7 |
Replace the evaporator temperature sensor.
Is the replacement complete?
|
-
|
Go to Step 9
|
-
|
8 |
Is the repair complete?
|
-
|
Go to Step 9
|
-
|
9 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 10
|
Go to Step 2
|
10 |
Check if any additional DTCs are set.
Are any DTCs displayed that that have not been diagnosed?
|
-
|
Go to applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the resistance within the specified value?
|
0Ω
|
Go to Step 7
|
Go to Step 3
|
3 |
Does the test light illuminate?
|
-
|
Go to Step 4
|
Go to Step 5
|
4 |
Repair a short to battery between the terminal 46 of ECM and A/C compressor relay terminal 2.
Is the repair complete?
|
-
|
Go to Step 9
|
-
|
5 |
Does the test light illuminate?
|
-
|
Go to Step 6
|
Go to Step 8
|
6 |
Repair a short to battery between the ECM wiring connector terminal 46 and evaporator temperature sensor terminal 2.
Is the repair complete?
|
-
|
Go to Step 9
|
-
|
7 |
Replace the evaporator temperature sensor.
Is the replacement complete?
|
-
|
Go to Step 9
|
-
|
8 |
Is the repair complete?
|
-
|
Go to Step 9
|
-
|
9 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 10
|
Go to Step 2
|
10 |
Check if any additional DTCs are set.
Are any DTCs displayed that that have not been diagnosed?
|
-
|
Go to applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the resistance within the specified value?
|
0Ω
|
Go to Step 3
|
Go to Step 7
|
3 |
Does the test light illuminate?
|
-
|
Go to Step 5
|
Go to Step 4
|
4 |
Repair a short to battery voltage between the ignition switch terminal and A/C compressor relay terminal 86.
Is the repair complete?
|
-
|
Go to Step 9
|
-
|
5 |
Does the test light illuminate?
|
-
|
Go to Step 8
|
Go to Step 6
|
6 |
Repair a short to battery voltage between the ECM wiring connector terminal 38 and A/C compressor relay terminal 85.
Is the repair complete?
|
-
|
Go to Step 9
|
-
|
7 |
Replace the A/C compressor relay.
Is the replacement complete?
|
-
|
Go to Step 9
|
-
|
8 |
Is the repair complete?
|
-
|
Go to Step 9
|
-
|
9 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 10
|
Go to Step 2
|
10 |
Check if any additional DTCs are set.
Are any DTCs displayed that that have not been diagnosed?
|
-
|
Go to applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the resistance within the specified value?
|
0Ω
|
Go to Step 3
|
Go to Step 7
|
3 |
Does the test light illuminate?
|
-
|
Go to Step 5
|
Go to Step 4
|
4 |
Repair a short to ground between the ignition switch terminal 4 and A/C compressor relay terminal 86.
Is the repair complete?
|
-
|
Go to Step 9
|
-
|
5 |
Does the test light illuminate?
|
-
|
Go to Step 8
|
Go to Step 6
|
6 |
Repair a short to ground between the ECM wiring connector terminal 38 and A/C compressor relay terminal 85.
Is the repair complete?
|
-
|
Go to Step 9
|
-
|
7 |
Replace the A/C compressor relay.
Is the replacement complete?
|
-
|
Go to Step 9
|
-
|
8 |
Is the repair complete?
|
-
|
Go to Step 9
|
-
|
9 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 10
|
Go to Step 2
|
10 |
Check if any additional DTCs are set.
Are any DTCs displayed that that have not been diagnosed?
|
-
|
Go to applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Is the ignition voltage less than the specified value?
|
1,400rpm 10V
|
Go to Step 3
|
Go to Step 8
|
3 |
Is the battery voltage greater than the specified value?
|
1,400rpm 12V
|
Go to Step 4
|
Go to "Diagnostic Aids"
|
4 |
Is the ignition voltage greater than the specified value?
|
10V
|
Go to Step 5
|
Go to Step 6
|
5 |
Check for a malfunctioning connection at the ECM harness terminals and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 8
|
Go to Step 7
|
6 |
Repair the poor connection (high resistance) in the ignition feed circuit.
Is the repair complete?
|
-
|
Go to Step 8
|
-
|
7 |
Replace the ECM.
Is the replacement complete?
|
-
|
Go to Step 8
|
-
|
8 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 9
|
Go to Step 2
|
9 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Is the ignition voltage less than the specified value?
|
1,400rpm 10V
|
Go to Step 3
|
Go to Step 8
|
3 |
Is the battery voltage greater than the specified value?
|
1,400rpm 12V
|
Go to Step 4
|
Go to "Diagnostic Aids"
|
4 |
Is the ignition voltage greater than the specified value?
|
10V
|
Go to Step 5
|
Go to Step 6
|
5 |
Check for a malfunctioning connection at the ECM harness terminals and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 8
|
Go to Step 7
|
6 |
Repair the poor connection (high resistance) in the ignition feed circuit.
Is the repair complete?
|
-
|
Go to Step 8
|
-
|
7 |
Replace the ECM.
Is the replacement complete?
|
-
|
Go to Step 8
|
-
|
8 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 9
|
Go to Step 2
|
9 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Replace the engine control module(ECM).
Is the replacement complete?
|
-
|
Go to Step 3
|
-
|
3 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 4
|
Go to Step 2
|
4 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Replace the engine control module(ECM).
Is the replacement complete?
|
-
|
Go to Step 3
|
-
|
3 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 4
|
Go to Step 2
|
4 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Replace the engine control module(ECM).
Is the replacement complete?
|
-
|
Go to Step 3
|
-
|
3 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 4
|
Go to Step 2
|
4 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the resistance within the specified value?
|
75~85Ω
|
Go to Step 3
|
Go to Step 6
|
3 |
Does the test light illuminate?
|
-
|
Go to Step 4
|
Go to "Diagnostic Aids"
|
4 |
Does the test light illuminate?
|
-
|
Go to Step 5
|
Go to Step 7
|
5 |
Repair a high voltage between the ECM wiring connector terminal 7 and main relay terminal 85.
Is the repair complete?
|
-
|
Go to Step 7
|
-
|
6 |
Replace the main relay.
Is the replacement complete?
|
-
|
Go to Step 7
|
-
|
7 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 8
|
Go to Step 2
|
8 |
Check if any additional DTCs are set.
Are any DTCs displayed that that have not been diagnosed?
|
-
|
Go to applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the resistance within the specified value?
|
75~85Ω
|
Go to Step 3
|
Go to Step 6
|
3 |
Does the test light illuminate?
|
-
|
Go to Step 4
|
Go to "Diagnostic Aids"
|
4 |
Does the test light illuminate?
|
-
|
Go to Step 5
|
Go to Step 7
|
5 |
Repair a high voltage between the ECM wiring connector terminal 7 and main relay terminal 85.
Is the repair complete?
|
-
|
Go to Step 7
|
-
|
5 |
Replace the main relay.
Is the replacement complete?
|
-
|
Go to Step 7
|
-
|
6 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 8
|
Go to Step 2
|
7 |
Check if any additional DTCs are set.
Are any DTCs displayed that that have not been diagnosed?
|
-
|
Go to applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Is the communication established between the scan tool and the immobilizer control unit?
|
-
|
Go to Step 3
|
Go to Section 9T, Immobilizer Anti-Theft System
|
3 |
Is the resistance within the specified value?
|
0 Ω
|
Go to Step 5
|
Go to Step 4
|
4 |
Repair an open circuit between terminal 7 of immobilizer control unit and terminal 56 of the ECM.
Is the repair complete?
|
-
|
Go to Step 8
|
-
|
5 |
Check the terminals in immobilizer control unit and the ECM for damages and repair as needed.
Is the repair complete?
|
-
|
Go to Step 8
|
Go to Step 6
|
6 |
Replace the immobilizer control unit.
Is the repair complete?
|
-
|
Go to Step 8
|
Go to Step 7
|
7 |
Is the repair complete?
|
-
|
Go to Step 8
|
-
|
8 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 9
|
Go to Step 2
|
9 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC Table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Is the communication established between the scan tool and the immobilizer control unit?
|
-
|
Go to Step 3
|
Go to Section 9T, Immobilizer Anti-Theft System
|
3 |
Is the resistance within the specified value?
|
0 Ω
|
Go to Step 5
|
Go to Step 4
|
4 |
Repair an open circuit between terminal 7 of immobilizer control unit and terminal 56 of the ECM.
Is the repair complete?
|
-
|
Go to Step 8
|
-
|
5 |
Check the terminals in immobilizer control unit and the ECM for damages and repair as needed.
Is the repair complete?
|
-
|
Go to Step 8
|
Go to Step 6
|
6 |
Replace the immobilizer control unit.
Is the repair complete?
|
-
|
Go to Step 8
|
Go to Step 7
|
7 |
Is the repair complete?
|
-
|
Go to Step 8
|
-
|
8 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 9
|
Go to Step 2
|
9 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC Table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Are any Diagnostic Trouble Codes (DTCs) displayed?
|
-
|
Go to Step 3
|
Try with another scan tool
|
3 |
Refer to the applicable DTC table. Start with the DTC with the lowest numerical value and move up.
Is the DTC identified as valid trouble code P0656?
|
-
|
Go to Step 4
|
Go to applicable DTC table
|
4 |
Is the problem found?
|
-
|
Go to Step 6
|
Go to Step 5
|
5 |
Is the problem found?
|
-
|
Go to Step 6
|
Go to Step 7
|
6 |
Is the repair complete?
|
-
|
System OK
|
-
|
7 |
Are any Diagnostic Trouble Codes (DTCs) displayed?
|
-
|
Go to Step 8
|
System OK
|
8 |
Replace the ECM.
Is the replcement complete?
|
-
|
Go to Step 9
|
-
|
9 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 10
|
Go to Step 2
|
10 |
Check if any additional DTCs are set.
Are any DTCs displayed that that have not been diagnosed?
|
-
|
Go to applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the resistance within the specified value?
|
0 Ω
|
Go to Step 3
|
Go to Step 6
|
3 |
Does the test light illuminate?
|
-
|
Go to Step 4
|
Go to Step 5
|
4 |
Is the replacement complete?
|
-
|
Go to Step 6
|
-
|
5 |
Repair a short to battery between the ECM wiring connector terminal 68 and cluster wiring connector terminal B9.
Is the repair complete?
|
-
|
Go to Step 6
|
-
|
6 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 7
|
Go to Step 2
|
7 |
Check if any additional DTCs are set.
Are any DTCs displayed that that have not been diagnosed?
|
-
|
Go to applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to "On-Board Diagnostic System Check"
|
2 |
Does the resistance within the specified value?
|
-
|
Go to Step 3
|
Go to Step 6
|
3 |
Does the test light illuminate?
|
-
|
Go to Step 4
|
Go to Step 5
|
4 |
Is the replacement complete?
|
-
|
Go to Step 6
|
-
|
5 |
Repair a short to ground or open between the ECM wiring connector terminal 68 and cluster wiring connector terminal B6.
Is the repair complete?
|
-
|
Go to Step 6
|
-
|
6 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 7
|
Go to Step 2
|
7 |
Check if any additional DTCs are set.
Are any DTCs displayed that that have not been diagnosed?
|
-
|
Go to applicable DTC table
|
System OK
|
![]() |
![]() |
© Copyright General Motors Daewoo Europe. All rights reserved |