Power Supply and Ground Circuit

POWER SUPPLY AND GROUND CIRCUIT

AUTOMATIC BACK DOOR CONTROL UNIT : Diagnosis Procedure


1. CHECK FUSE, FUSIBLE LINK AND CIRCUIT BREAKER

Check that the following fuse, fusible link and circuit breaker are not fusing.





Is the fuse fusing?
YES- Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is blown.
NO- GO TO 2.

2. CHECK POWER SUPPLY CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect automatic back door control module connector.
3.Check voltage between automatic back door control module harness connector and ground.





Is the measurement value normal?
YES- GO TO 3.
NO- Repair or replace harness.

3. CHECK GROUND CIRCUIT

Check continuity between automatic back door control module harness connector and ground.





Does continuity exist?
YES- INSPECTION END
NO- Repair or replace harness.