Suspension Control Unit

POWER SUPPLY AND GROUND CIRCUIT


SUSPENSION CONTROL UNIT : Diagnosis Procedure

1.CHECK FUSES
Check that the following fuses of the suspension control unit are not are not blown.





Are the fuses OK?
YES - GO TO 2.
NO - If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.POWER SUPPLY CIRCUIT CHECK





1. Disconnect suspension control unit connector B3.
2. Check voltage between the suspension control unit connector
B3 and ground.





Are the voltage results as specified?
YES - GO TO 3.
NO - � Check connector housings for disconnected or loose terminals.
- Repair harness or connector.
3.GROUND CIRCUIT CHECK





1. Turn ignition switch OFF.
2. Check continuity between suspension control unit harness connector B3 and ground.





Is continuity present?
YES - Inspection End.
NO - Repair harness or connector.