Back Door Switch

BACK DOOR SWITCH

Component Function Check


1. CHECK FUNCTION

1.Select "DOOR LOCK" of "BCM" using CONSULT.
2.Select "DOOR SW-BK", in "DATA MONITOR" mode.
3.Check that the function operates normally according to the following conditions.





Is the inspection result normal?
YES- Door switch is OK.
NO- .


Diagnosis Procedure


1. CHECK BACK DOOR SWITCH INPUT SIGNAL

1.Turn ignition switch OFF.
2.Disconnect back door lock assembly connector.
3.Check voltage between back door lock assembly harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 2.

2. CHECK BACK DOOR SWITCH CIRCUIT

1.Disconnect BCM connector.
2.Check continuity between back door lock assembly harness connector and BCM harness connector.





3.Check continuity between back door lock assembly harness connector and ground.





Is the inspection result normal?
YES- Replace BCM. Removal And Installation.
NO- Repair or replace harness.

3. CHECK BACK DOOR SWITCH GROUND CIRCUIT

Check continuity between back door lock assembly harness connector and ground.





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

4. CHECK BACK DOOR SWITCH

.
Is the inspection result normal?
YES- GO TO 5.
NO- Replace back door lock assembly.

5. CHECK INTERMITTENT INCIDENT

Intermittent Incident.
- INSPECTION END


Component Inspection


1. CHECK BACK DOOR SWITCH

1.Turn ignition switch OFF.
2.Disconnect back door lock assembly connector.
3.Check continuity between door switch terminals.





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