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- Refer to Data List Reference Table .
- Item AC: Right 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 open circuit.
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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 AC: Right 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-ECU <M/T> or engine-A/T-ECU <A/T>.
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- Use special tool test harness (MD998464) to connect connector, and measure
at pick-up harness.
- Engine: After warm-up
- Transmission: Neutral <M/T> or P range <A/T>
- 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 right bank oxygen sensor (front) itself (Refer to ).
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Q.
Is the check result normal?
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Replace the right bank oxygen sensor (front).
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Q.
Is the check result normal?
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Check and repair harness between B-04 (terminal No.
4) right bank oxygen sensor (front) connector and D-246 (terminal No. 109) engine-ECU <M/T> connector
or D-217 (terminal No. 109) engine-A/T-ECU <A/T> connector.
- Check output line for 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.
- Transmission: Neutral <M/T> or P range <A/T>
- Engine: After warm-up
- Voltage between terminal No. 109 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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Q.
Is the check result normal?
|
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Check and repair harness between B-04 (terminal No.
4) right bank oxygen sensor (front) connector and D-246 (terminal No. 109) engine-ECU <M/T> connector
or D-217 (terminal No. 109) engine-A/T-ECU <A/T> connector.
- Check output line for open 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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