Operation CHARM: Car repair manuals for everyone.

Coupe




UNLOCK SENSOR

Component Function Check


1. CHECK FUNCTION

1.Select "INTELLIGENT KEY" of "BCM" using CONSULT.
2.Select "UNLK SEN -DR" in "DATA MONITOR" mode.
3.Check that the function operates normally according to the following conditions.





Is the inspection result normal?
YES- Unlock sensor is OK.
NO- .


Diagnosis Procedure


1. CHECK UNLOCK SENSOR INPUT SIGNAL

1.Turn ignition switch OFF.
2.Disconnect driver side door lock assembly connector.
3.Check signal between driver side door lock assembly harness connector and ground using oscilloscope.





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

2. CHECK UNLOCK SENSOR CIRCUIT

1.Disconnect BCM connector.
2.Check continuity between BCM harness connector and driver side door lock assembly 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 UNLOCK SENSOR GROUND CIRCUIT

Check continuity between driver side assembly harness connector and ground.





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

4. CHECK UNLOCK SENSOR

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

5. CHECK INTERMITTENT INCIDENT

Intermittent Incident Regular Grade.
- INSPECTION END


Component Inspection


1. CHECK UNLOCK SENSOR

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





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