Diagnosis Procedure

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

1. CHECK BACK DOOR CLOSURE MOTOR 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.

      (+)		(-)	Condition		Voltage (Approx.)
      Back door lock assembly
      Connector	Terminal
      D557	1	Ground	Back door opener switch	Pressed	16 - 7.8 V
      	2			Released	0 V

      Is the inspection result normal? 

      YES: Replace back door lock assembly. Refer to "DOOR LOCK: REMOVAL AND INSTALLATION ".

      NO: GO TO 2.

2. CHECK BACK DOOR CLOSURE MOTOR CIRCUIT 
   1. Disconnect automatic back door control module connector.
   2. Check continuity between automatic back door control module harness connector and back door lock assembly harness connector.

      Automatic back door control module		Back door lock assembly		Continuity
      Connector	Terminal	Connector	Terminal
      B56	31	D557	1	Yes
      	38		2

   3. Check continuity between automatic back door control module harness connector and ground.

      Automatic back door control module		Ground	Continuity
      Connector	Terminal
      B56	31		No
      	38

      Is the inspection result normal? 

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

      NO: Repair or replace harness.