Back Door Request Switch

BACK DOOR REQUEST SWITCH





Component Function Check
1.CHECK FUNCTION
1. Select "INTELLIGENT KEY" of "BCM" using CONSULT-III.
2. Select "REQ SW-BD/TR" in "DATA MONITOR" mode.
3. Check that the function operates normally according to the following conditions.





Is the inspection result normal?
YES - Back door request switch is OK.
NO - SEE Diagnosis Procedure.




Diagnosis Procedure
1.CHECK BACK DOOR REQUEST SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect back door opener switch assembly connector.
3. Check voltage between back door opener switch assembly harness connector and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 2.
2.CHECK BACK DOOR REQUEST SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and back door opener switch assembly harness connector.





3. Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES - Replace BCM. Service and Repair.
NO - Repair or replace harness.
3.CHECK BACK DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between back door opener switch assembly harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace harness.
4.CHECK BACK DOOR REQUEST SWITCH
SEE Component Inspection.
Is the inspection result normal?
YES - GO TO 5.
NO - Replace back door opener switch assembly.
5.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END




Component Inspection
1.CHECK BACK DOOR REQUEST SWITCH
1. Turn ignition switch OFF.
2. Disconnect back door opener switch assembly connector.
3. Check continuity between back door opener switch assembly terminals.





Is the inspection result normal?
YES - INSPECTION END
NO - Replace back door opener switch assembly.