Diagnosis Procedure

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

   (+)		(-)	Voltage (V) (Approx.)
   Back door lock assembly
   Connector	Terminal
   D122	4	Ground	Battery voltage

   Is the inspection result normal? 

   YES: GO TO  3.

   NO: GO TO 2.

1. Disconnect back door control unit connector.
2. Check continuity between back door control unit harness connector and back door lock assembly harness connector.
   CONTINUITY REFERENCE CHART
   
   

   Back door control unit		Back door lock assembly		Continuity
   Connector	Terminal	Connector	Terminal
   D123	5	D122	4	Existed

3. Check continuity between back door control unit harness connector and ground.
   CONTINUITY REFERENCE CHART
   
   

   Back door control unit		Ground	Continuity
   Connector	Terminal
   D123	5		Not existed

   Is the inspection result normal? 

   YES: Replace back door control unit. Refer to "REMOVAL AND INSTALLATION ".

   NO: Repair or replace harness.

Check continuity between back door lock assembly 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 back door lock assembly. Refer to "REMOVAL AND INSTALLATION ".

Refer to "INTERMITTENT INCIDENT ".

INSPECTION END