Door Request Switch With Automatic Back Door
DOOR REQUEST SWITCH
Description
Transmits lock/unlock operation to BCM.
Component Function Check
1.CHECK FUNCTION
Check door request switch ("REQ SW -DR" or "REQ SW -AS") in Data Monitor mode.
Is the inspection result normal?
YES - Door request switch is OK.
NO - SEE Diagnosis Procedure.
Diagnosis Procedure
1.CHECK BCM OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect malfunctioning front outside handle (request switch) connector.
3. Check signal between malfunctioning front outside handle (request switch) harness connector and ground.
Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 2.
2.CHECK DOOR REQUEST SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and malfunctioning front outside handle (request switch) harness connector.
3. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES - Replace BCM. Removal And Installation.
NO - Repair or replace harness.
3.CHECK DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between malfunctioning front outside handle (request switch) harness connector and ground.
Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace harness.
4.CHECK DOOR REQUEST SWITCH
SEE Component Inspection.
Is the inspection result normal?
YES - GO TO 5.
NO - Replace malfunctioning front outside handle (request switch). Removal And Installation With Automatic Back Door.
5.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END
Component Inspection
1.CHECK DOOR REQUEST SWITCH
1. Turn ignition switch OFF.
2. Disconnect malfunctioning front outside handle (request switch) connector.
3. Check malfunctioning front outside handle (request switch) terminals.
Is the inspection result normal?
YES - INSPECTION END
NO - Replace malfunctioning front outside handle (request switch). Removal And Installation With Automatic Back Door.