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- Refer to Data List Reference Table .
- Item AE: Left bank oxygen sensor (front)
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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 or replace the connector.
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- Disconnect connector, and measure at harness side.
- Resistance between terminal No. 2 and earth.
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OK: Continuity (2 Ω or less)
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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 or replace the connector.
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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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- Refer to Data List Reference Table .
- Item AE: Left bank oxygen sensor (front)
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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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Replace the engine-A/T-ECU.
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- Use special tool test harness (MD998464) to connect connector, and measure at pick-up harness.
- Engine: After warm-up
- Transmission: P range
- Voltage between terminal No. 4 and earth.
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OK:
When the engine is 2,500 r/min, the output voltage should repeat 0 to 0.8 V alternately.
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Q.
Is the check result normal?
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- Check left bank oxygen sensor (front) itself (Refer to ).
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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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Q.
Is the check result normal?
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Check and repair harness between B-23 (terminal No. 4) left bank oxygen sensor (front) connector and D-217 (terminal No. 108) engine-A/T-ECU connector.
- Check output line for short circuit and damage.
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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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