Trunk / Liftgate Switch: Testing and Inspection

BACK DOOR REQUEST SWITCH

Description

Transmits lock/unlock operation to BCM.


Component Function Check


1. CHECK FUNCTION

Check ("REQSW-BD/TR") in "Data Monitor" mode using CONSULT.





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


Diagnosis Procedure


1. CHECK BACK DOOR REQUEST SWITCH INPUT SIGNAL

1.Turn ignition switch OFF.
2.Disconnect back door request switch connector.
3.Check voltage between back door request switch 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 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 harness or connector.

3. CHECK BACK DOOR REQUEST SWITCH GROUND CIRCUIT

Check continuity between back door request switch harness connector and ground.





Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace harness.

4. CHECK BACK DOOR REQUEST SWITCH

.
Is the inspection result normal?
YES- GO TO 5.
NO- Replace back door request switch. With Intelligent Key System.

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 request switch connector.
3.Check continuity between back door request switch terminals.





Is the inspection result normal?
YES- INSPECTION END
NO- Replace back door request switch. With Intelligent Key System.