Diagnosis Procedure

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".

1. CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL 
   1. Turn ignition switch OFF.
   2. Disconnect front door lock assembly LH connector.
   3. Check voltage between front door lock assembly LH harness connector and ground.

      (+)		(-)	Voltage (Approx.)
      Front door lock assembly LH
      Connector	Terminal
      D14	5	Ground	5 V
      	6

      Is the inspection result normal? 

      YES: GO TO  3.

      NO: GO TO 2.

2. CHECK DOOR KEY CYLINDER SWITCH SIGNAL CIRCUIT 
   1. Disconnect main power window and door lock/unlock switch connector.
   2. Check continuity between main power window and door lock/unlock switch harness connector and front door lock assembly LH harness connector.

      Main power window and door lock/unlock switch		Front door lock assembly LH		Continuity
      Connector	Terminal	Connector	Terminal
      D56	15	D14	6	Yes
      	16		5

   3. Check continuity between power window main switch harness connector and ground.

      Main power window and door lock/unlock switch		Ground	Continuity
      Connector	Terminal
      D56	15		No
      	16

      Is the inspection result normal? 

      YES: Replace main power window and door lock/unlock switch. Refer to "REMOVAL AND INSTALLATION ".

      NO: Repair or replace harness.

3. CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT 

   Check continuity between front door lock assembly LH harness connector and ground.

   Front door lock assembly LH		Ground	Continuity
   Connector	Terminal
   D14	4		Yes

   Is the inspection result normal? 

   YES: GO TO 4.

   NO: Repair or replace harness.

4. CHECK DOOR KEY CYLINDER SWITCH 

   Refer to "COMPONENT INSPECTION ".

   Is the inspection result normal? 

   YES: GO TO 5.

   NO: Replace front door lock assembly LH. Refer to "DOOR LOCK: REMOVAL AND INSTALLATION ".

5. CHECK INTERMITTENT INCIDENT 

   Refer to "INTERMITTENT INCIDENT ".

   : Inspection End.