- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between mass air flow sensor (bank 1) harness connector and ECM harness connector.
MAF sensor (bank 1)
| ECM
| Continuity
|
Connector
| Terminal
| Connector
| Terminal
|
F15
| 1
| F101
| 22
| Existed
|
- Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>>GO TO 4.
NO
>>Repair open circuit, short to ground or short to power in harness or connectors.