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- Data list reference table (Refer to
).
- Item AD: Oxygen sensor (rear)
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Q.
Is the check result normal?
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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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- Disconnect connector, and measure at harness side.
- Ignition switch: ON
- Voltage between terminal engine-ECU ORLE line and body 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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Repair the connector(s) or wiring harness.
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- Data list reference table (Refer to
).
- Item AD: Oxygen sensor (rear)
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Q.
Is the check result normal?
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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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Q.
Is the check result normal?
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Repair the connector(s) or wiring harness.
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- Use special tool test harness (MB991658) to connect connector, and measure at pick-up harness.
- Transmission: 2nd <M/T> or L range <CVT>
- Drive with wide open throttle
- Engine: 3,500 r/min or more
- Voltage between terminal engine-ECU O2RL line and earth.
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OK:
The output voltage should be 1.1 - 1.5 V.
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Q.
Is the check result normal?
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- Oxygen sensor check (Refer to
).
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Q.
Is the check result normal?
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![](../../../buttons/03btn001.png)
Repair or replace the connector(s), or check and repair the harness of short circuit in O2RL line between oxygen sensor (rear) connector and engine-ECU connector.
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Replace oxygen sensor (rear).
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Q.
Is the check result normal?
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Repair the connector(s) or wiring harness.
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