Matiz |
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Step | Action | Value(s) | Yes | No |
1 |
Perform an Euro On-Board Diagnostic (EOBD) System Check.
Is the system check complete?
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-
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Go to Step 2
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2 |
Does the engine control module(ECM) go into closed loop?
|
-
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Go to Step 3
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Go to Step 9
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3 |
Does the scan tool read the upstream oxygen(O2 ) sensor signal voltage between the valve specified?
|
0.25~0.65V
|
Go to Step 5
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Go to Step 4
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4 |
Does the scan tool read the Oxygen sensor signal voltage fixed below the valve specified?
|
0.01V
|
Go to Step 7
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Go to "Diagnostic Aids"
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5 |
Does the scan tool read the Oxygen sensor signal voltage between the valve specified?
|
0.25~0.65V
|
Go to "Diagnostic Aids"
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Go to Step 6
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6 |
Is the problem found?
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-
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Go to Step 8
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Go to Step 11
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7 |
Is the problem found?
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-
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Go to Step 8
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Go to Step 11
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8 |
Is the repair complete?
|
-
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System OK
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-
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9 |
Does the scan tool the Oxygen sensor signal voltage between the valve specified?
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0.3~0.6V
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Go to Step 10
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Go to Step 11
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10 |
Is the repair complete?
|
-
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System OK
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-
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11 |
Is the repair complete?
|
-
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Go to Step 12
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-
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12 |
Check if any additional DTCs are set.
Are any DTCs displaced that have not been diagnosed?
|
-
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Go to applicable DTC table
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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
|
|
2 |
Does the scan tool the upstream oxygen(O2) sensor1 voltage within the value specified?
|
More than
1.2V
|
Go to Step 3
|
Go to Step 6
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3 |
Is the problem found?
|
-
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Go to Step 4
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Go to Step 5
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4 |
Is the repair complete?
|
-
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System OK
|
-
|
5 |
Is the replacement complete?
|
-
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Go to Step 7
|
-
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6 |
Is the replacement complete?
|
-
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Go to Step 7
|
-
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7 |
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
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|
2 |
Does the scan tool indicate the closed loop?
|
-
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Go to Step 3
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Go to Step 4
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3 |
Does the scan tool indicate the closed loop?
|
-
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Go to Step 12
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Go to Step 4
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4 |
Does the scan tool read the oxygen sensor signal voltage the specified valve?
|
0.4~0.5V
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Go to Step 5
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Go to Step 8
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5 |
Check the oxygen sensorconnector for malfunction terminals or poor connection and repair as necessary.
Is repair necessary?
|
-
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Go to Step 12
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Go to Step 6
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6 |
Does the oxygen sensor voltage measure above the specified value?
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0.6V
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Go to Step 7
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Go to Step 11
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7 |
Does the oxygen sensor voltage measure above the specified value?
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0.3V
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Go to Step 9
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Go to Step 11
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8 |
Repair the wire or the connector between the upstre O2 sensor terminal B and the engine control module (ECM) terminal 44 is open or a short to ground.
Is the repair complete?
|
-
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Go to Step 11
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Go to Step 9
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9 |
Repair the wire and the connector terminal between the oxygen sensor connector terminal D and the ECM connector terminal 13 is open or a short to ground.
Is the repair complete?
|
-
|
Go to Step 12
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Go to Step 10
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10 |
Is the repair complete?
|
-
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System OK
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-
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11 |
Replace the O2 sensor.
Is the repair complete?
|
-
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Go to Step 12
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-
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12 |
Is the repair complete.
|
-
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Go to Step 13
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-
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13 |
Check if any additional DTCs are set.
Are any DTCs displaced that have not been diagnosed?
|
-
|
Go to applicable DTC table
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System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Is the check complete?
|
-
|
Go to Step 2
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|
2 |
Notice : If the engine has just been operating, allow the engine to cool for about one-half hour before proceeding.
Does the Front Heated Oxygen Sensor (HO2S1) voltage gradually change toward the specified voltage?
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0 v or 1 v
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Go to Step 13
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Go to Step 3
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3 |
Does the test light illuminate?
|
-
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Go to Step 4
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Go to Step 5
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4 |
Connect a test light between the ignition feed and ground circuits, terminal A and C of the connector.
Does the test light illuminate?
|
-
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Go to Step 6
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Go to Step 7
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5 |
Inspect the fuse in the engine fuse block.
Is the fuse open?
|
-
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Go to Step 8
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Go to Step 9
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6 |
Check the connections terminal A and B at the HO2S2 connector and repair as necessary.
Is a repair necessary?
|
-
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Go to Step 13
|
Go to Step 10
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7 |
Check the connections terminal C at the HO2S1 connector and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 13
|
Go to Step 11
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8 |
Is the action complete?
|
-
|
Go to Step 13
|
-
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9 |
Check the connections terminal A at the HO2S1 connector and repair as necessary.
Is the repair complete?
|
-
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Go to Step 13
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Go to Step 12
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10 |
Replace the HO2S1 sensor.
Is the action complete?
|
-
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Go to Step 13
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-
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11 |
Repair the open in the ground circuit.
Is the action complete?
|
-
|
Go to Step 13
|
-
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12 |
Repair the open in the ignition feed circuit.
Is the action complete?
|
-
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Go to Step 13
|
-
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13 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
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Go to Step 14
|
Go to Step 2
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14 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to "Applicable DTC table"
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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
|
|
2 |
Does the scan tool the downstream oxygen (O2) sensor1 voltage within the value specified?
|
0.07-0.52V
|
Go to Step 4
|
Go to Step 3
|
3 |
Does the scan tool the heated oxygen (O2) sensor1 voltage within the value specified?
|
0.1V
|
Go to Step 9
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Go to "Diagnostic Aids"
|
4 |
Is the problem found?
|
-
|
Go to Step 5
|
Go to Step 6
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5 |
Is the repair complete?
|
-
|
System OK
|
-
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6 |
Is the problem found?
|
-
|
Go to Step 7
|
Go to Step 8
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7 |
Is the repair complete?
|
-
|
System OK
|
-
|
8 |
Is the replacement complete?
|
-
|
Go to Step 10
|
-
|
9 |
Is the replacement complete?
|
-
|
Go to Step 10
|
-
|
10 |
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
|
|
2 |
Does the scan tool the Heated oxygen(O2) sensor voltage within the value specified?
|
More than
1.2V
|
Go to Step 3
|
Go to Step 6
|
3 |
Is the problem found?
|
-
|
Go to Step 4
|
Go to Step 5
|
4 |
Is the repair complete?
|
-
|
System OK
|
-
|
5 |
Is the replacement complete?
|
-
|
Go to Step 7
|
-
|
6 |
Is the replacement complete?
|
-
|
Go to Step 7
|
-
|
7 |
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
|
|
2 |
Does the scan tool the indicate Closed Loop?
|
80°C(176°F)
1,200rpm
|
Go to Step 3
|
Go to Step 4
|
3 |
Does the scan tool the indicate Closed Loop?
|
-
|
Go to Step 12
|
Go to Step 4
|
4 |
Disconnect the Heated O2 sensor connector and jumper the Heated O2 sensor low circuit, terminal 4 to ground.
Is the HO2 voltage below the specified value and does the scan tool indicate the heated oxygen sensor heater voltage within the specified value?
|
0.5V
|
Go to Step 5
|
Go to Step 6
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5 |
Check the Heated O2 sensor connector for malfunction terminals or poor connection and repair as necessary.
Is repair necessary?
|
-
|
Go to Step 12
|
Go to Step 9
|
6 |
Does the Heated O2 sensor voltage measure above the specified value?
|
0.6V
|
Go to Step 10
|
Go to Step 9
|
7 |
Does the Heated O2 sensor voltage measure below the specified value?
|
0.3V
|
Go to Step 11
|
Go to Step 8
|
8 |
Check the Heated O2 sensor ground circuit, terminal 4 for an open or poor connection and repair as necessary.
Is repair necessary?
|
-
|
Go to Step 12
|
Go to Step 8
|
9 |
Check the Heated O2 sensor signal circuit, terminal 1 for an open or poor connection and repair as necessary.
Is repair necessary?
|
-
|
Go to Step 12
|
Go to Step 8
|
10 |
Does the scan tool indicated that this diagnostic has run and passed?
|
-
|
Go to Step 13
|
Go to Step 2
|
11 |
Is the replacement complete?
|
-
|
Go to Step 15
|
-
|
12 |
Is the replacement complete?
|
-
|
Go to Step 15
|
-
|
13 |
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
|
|
2 |
Is the problem found?
|
-
|
Go to Step 3
|
Go to Step 4
|
3 |
Is the repair complete?
|
-
|
System OK
|
-
|
4 |
Is the replacement complete?
|
-
|
Go to Step 6
|
-
|
5 |
Check if any additional DTCs are set.
Are any DTCs displaced that have not been diagnosed?
|
-
|
Go to applicable DTC table
|
System OK
|
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