Communication Signal Circuit

COMMUNICATION SIGNAL CIRCUIT


Description

Detects door open/close condition.




COMMUNICATION SIGNAL CIRCUIT


Diagnosis Procedure

Regarding Wiring Diagram information, Sunroof Motor Assembly.
1.CHECK FRONT DOOR SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect sunshade motor assembly connector.
3. Turn ignition switch ON.
4. Check signal between sunshade motor assembly harness connector and ground with oscilloscope.





Is the inspection result normal?
YES - Inspection End.
NO - GO TO 2.
2.CHECK COMMUNICATION SIGNAL CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect sunroof motor assembly connector.
3. Check continuity between sunshade motor assembly harness connector (A) and sunroof motor assembly harness connector (B).










4. Check continuity between sunshade motor assembly harness connector and ground.





Is the inspection result normal?
YES - Replace sunshade motor assembly. Sunshade Motor Assembly.
NO - Repair or replace harness.