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Q.
Is the check result normal?
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Repair
or replace the connector.
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- Disconnect connector, and measure at sensor side.
- Resistance between terminal No. 1 and No. 3.
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Q.
Is the check result normal?
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Replace the left bank oxygen sensor
(front).
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- Disconnect connector, and measure at harness side.
- Ignition switch: ON
- Voltage between terminal No. 1 and earth.
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Q.
Is the check result normal?
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Q.
Is the check result normal?
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![](../../../buttons/03btn001.png)
Check and repair
harness between B-23 (terminal No.
1) left bank oxygen sensor (front) connector and B-15X (terminal No. 1)
engine control relay connector.
- Check power supply line for open/short circuit.
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Repair
or replace the connector.
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- Measure engine-ECU <M/T> or engine-A/T-ECU <A/T>
terminal voltage.
- Ignition switch: ON
- Voltage between terminal No. 10 and earth.
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Q.
Is the check result normal?
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Q.
Is the check result normal?
|
|
Repair
or replace the connector.
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- Check earthing line for open/short circuit.
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Q.
Is the check result normal?
|
|
Replace the engine-ECU <M/T>
or engine-A/T-ECU <A/T>.
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Repair
the damaged harness wire.
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|
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Q.
Is the check result normal?
|
|
Repair
or replace the connector.
|
|
|
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- Check power supply line for damage.
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Q.
Is the check result normal?
|
|
Repair
the damaged harness wire.
|
|
|
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- Check earthing line for damage.
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Q.
Is the check result normal?
|
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Repair
the damaged harness wire.
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- Reconfirmation of diagnosis code
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Q.
Does trouble symptom persist?
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Replace the engine-ECU <M/T>
or engine-A/T-ECU <A/T>.
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Intermittent malfunction (Refer to
GROUP 00 - How to Use Troubleshooting/Inspection
Service Points - How to Cope with Intermittent Malfunctions ).
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