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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. 2.
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OK: 4.5 - 8.0 Ω (at 20°C)
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Q.
Is the check result normal?
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Replace the 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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Check and repair harness between C-134 (terminal No.
1) oxygen sensor (front) connector and A-33X (terminal No. 2) 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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Q.
Is the check result normal?
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Repair or replace the connector.
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- Disconnect engine-ECU harness, and connect special tool power plant ECU check
harness (MB992110) to measure at connector for inspection.
- Ignition switch: ON
- Voltage between terminal No. 34 and earth.
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Q.
Is the check result normal?
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Check intermediate connector A-13, and repair
if necessary. If intermediate connector is normal, check and repair harness between C-134 (terminal
No. 2) oxygen sensor (front) connector and B-29 (terminal No. 34) engine-ECU connector.
- Check earthing line for open/short circuit.
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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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- Check Power supply 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.
Is diagnosis code set?
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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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