Power Supply And Ground Circuit

POWER SUPPLY AND GROUND CIRCUIT





Diagnosis Procedure
1.POWER SUPPLY SYSTEM CHECK
1. Turn the ignition switch OFF.
2. Disconnect the BCM harness connector.
3. Turn the ignition switch ON.

CAUTION:
Never start the engine.
4. Check the voltage between the BCM harness connector and the ground.





Is the inspection result normal?
YES - GO TO 2.
NO - Repair or replace damaged parts.
2.GROUND SYSTEM INSPECTION
1. Turn the ignition switch OFF.
2. Check the continuity between the BCM harness connector and the ground.





Is the inspection result normal?
YES - - Check the 10 A fuse [No. 10 in fuse block (J/B)].
- Check the 40 A fusible link [No. K in fuse block].
NO - Repair or replace damaged parts.