- Check the continuity between HO2S2 harness connector and ECM harness connector.
DTC
| HO2S2
| ECM
| Continuity
|
Bank
| Connector
| Terminal
| Connector
| Terminal
|
P0137
| 1
| F53
| 4
| F102
| 73
| Existed
|
P0157
| 2
| F52
| 4
| 77
|
- Check the continuity between HO2S2 harness connector or ECM harness connector and ground.
DTC
| HO2S2
| ECM
| Ground
| Continuity
|
Bank
| Connector
| Terminal
| Connector
| Terminal
|
P0137
| 1
| F53
| 4
| F102
| 73
| Ground
| Not existed
|
P0157
| 2
| F52
| 4
| 77
|
- Also check harness for short to power.
Is the inspection result normal?
YES
>>GO TO 5.
NO
>>Repair open circuit, short to ground or short to power in harness or connectors.