Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect front door lock assembly (driver side) connector.
3. Check signal between front door lock assembly (driver side) harness connector and ground with oscilloscope.
   SIGNAL REFERENCE CHART
   
   

   (+)		(-)	Signal (Reference value)
   Front door lock assembly (driver side)
   Connector	Terminal
   D15	3	Ground

   Is the inspection result normal? 

   YES: GO TO  3.

   NO: GO TO 2.

1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and front door lock assembly (driver side) harness connector.
   CONTINUITY REFERENCE CHART
   
   

   BCM		Front door lock assembly (driver side)		Continuity
   Connector	Terminal	Connector	Terminal
   M123	119	D15	3	Existed

3. Check continuity between BCM harness connector and ground.
   CONTINUITY REFERENCE CHART
   
   

   BCM		Ground	Continuity
   Connector	Terminal
   M123	119		Not existed

   Is the inspection result normal? 

   YES: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

   NO: Repair or replace harness.

Check continuity between front door lock assembly (driver side) harness connector and ground.

Is the inspection result normal? 

YES: GO TO 4.

NO: Repair or replace harness.

Refer to "COMPONENT INSPECTION ".

Is the inspection result normal? 

YES: GO TO 5.

NO: Replace front door lock assembly (driver side). Refer to "DOOR LOCK : REMOVAL AND INSTALLATION ".

Refer to "INTERMITTENT INCIDENT ".

INSPECTION END