Back Door Close Switch System

BACK DOOR CLOSE SWITCH SYSTEM


Diagnosis Procedure

Regarding Wiring Diagram information, Back Door Control Unit.
1.CLOSE SWITCH SIGNAL INSPECTION
1. Turn ignition switch OFF.





2. While fully opening and closing the back door, check voltage between back door control unit connector B55 terminal 14 and ground.





Is the inspection result normal?
YES - Close switch is OK.
NO - GO TO 2
2.CLOSE SWITCH CIRCUIT INSPECTION
1. Disconnect back door latch and back door control unit connector.





2. Check continuity between back door control unit connector (A)
B55 terminal 14 and back door latch (close switch) connector
(B) D705 terminal 5.

14 - 5 : Continuity should exist.

3. Check continuity between back door control unit connector (A)
B55 terminal 14 and ground.

14 - Ground : Continuity should not exist.

Is the inspection result normal?
YES - GO TO 3
NO - Repair the harness between the back door latch (close switch) and the back door control unit.
3.CLOSE SWITCH GROUND INSPECTION





Check continuity between back door latch (close switch) connector
D705 terminal 8 and ground.

8 - Ground : Continuity should exist.

Is the inspection result normal?
YES - Replace the back door latch.
NO - Repair the harness between the back door latch (close switch) and ground.