Nissan Murano: Door & Lock :: Dtc/circuit Diagnosis / Back Door Closure Motor

Diagnosis Procedure

CHECK BACK DOOR CLOSURE MOTOR INPUT SIGNAL

1. 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	Open operation	Battery voltage
   				Other than above	0 V
   	2			Close operation	Battery voltage
   				Other than above	0 V

Is the inspection result normal?

Replace back door lock assembly. Refer to Removal and Installation.

GO TO 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?

Replace automatic back door control module. Refer to Removal and Installation.

Repair or replace harness.