|
- Refer to Data List Reference Table
.
- Item AC: Right bank oxygen sensor (front)
|
|
Q.
Is the check result normal?
|
|
Intermittent malfunction (Refer to GROUP 00 -
How to Use Troubleshooting/Inspection
Service Points -
How to Cope with Intermittent Malfunctions ).
|
|
|
|
Q.
Is the check result normal?
|
|
Repair or replace the connector.
|
|
|
|
- Disconnect connector, and measure at harness side.
- Resistance between terminal No. 2 and earth.
|
|
OK: Continuity (2 Ω
or less)
|
|
Q.
Is the check result normal?
|
|
Q.
Is the check result normal?
|
|
Repair or replace the connector.
|
|
|
|
- Check earthing line for open circuit and damage.
|
|
Q.
Is the check result normal?
|
|
Repair the damaged harness wire.
|
|
|
|
- Refer to Data List Reference Table
.
- Item AC: Right bank oxygen sensor (front)
|
|
Q.
Is the check result normal?
|
|
Intermittent malfunction (Refer to GROUP 00 -
How to Use Troubleshooting/Inspection
Service Points -
How to Cope with Intermittent Malfunctions ).
|
|
|
|
- Use special tool test harness (MB991316) to connect connector, and measure
at pick-up harness.
- Engine: After warm-up
- Transmission: P range
- Voltage between terminal No. 4 and earth.
|
|
OK:
When the engine is 2,500 r/min, the output voltage should repeat 0 to 0.8 V alternately.
|
|
Q.
Is the check result normal?
|
|
- Check right bank oxygen sensor (front) itself (Refer to
).
|
|
Q.
Is the check result normal?
|
|
Replace the right bank oxygen sensor (front).
|
|
|
|
Q.
Is the check result normal?
|
|

Check and repair harness between B-126 (terminal No.
4) right bank oxygen sensor (front) connector and B-29 (terminal No. 54) engine-ECU connector.
- Check output line for short circuit and damage.
|
|
|
|
Repair or replace the connector.
|
|
|
|
Q.
Is the check result normal?
|
|
Repair or replace the connector.
|
|
|
|
- Check output line for open circuit.
|
|
Q.
Is the check result normal?
|
|
Repair the damaged harness wire.
|
|
|