- Turn the ignition switch OFF.
- Disconnect the battery cable from the negative terminal.
- Disconnect the following harness connectors.
- ECM
- BCM
- Combination meter
- Check the continuity between the BCM harness connector and the combination meter harness connector.
BCM harness connector
| Combination meter harness connector
| Continuity
|
Connector No.
| Terminal No.
| Connector No.
| Terminal No.
|
M122
| 91
| M53
| 21
| Existed
|
90
| 22
| Existed
|
Is the inspection result normal?
YES (Present error)
>>Connect all the connectors and diagnose again. Refer to
Trouble Diagnosis Flow Chart.
YES (Past error)
>>Error was detected in the main line between the BCM and the combination meter.
NO
>>Repair the main line between the BCM and the combination meter.