Nissan Murano: Dtc/circuit Diagnosis / Combination Switch Input Circuit

Diagnosis Procedure

CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN

1. Ignition switch OFF.

2. Disconnect BCM connector and combination switch connector.

3. Check continuity between BCM harness connector and combination switch harness connector.

   Combination switch signal	BCM		Combination switch		Continuity
   	Connector	Terminal	Connector	Terminal
   INPUT 1	M19	79	M28	11	Yes
   INPUT 2		78		9
   INPUT 3		77		7
   INPUT 4		76		10
   INPUT 5		75		13

Is the inspection result normal?

GO TO 2.

Repair or replace harness or connectors.

CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

GO TO 3.

Repair or replace harness or connectors.

CHECK BCM OUTPUT VOLTAGE

1. Connect BCM connector and combination switch connector.

2. Ignition switch ON.

3. Check voltage between BCM connector and ground.

   (+)			(–)	Voltage
   Combination switch signal	BCM
   	Connector	Terminal
   INPUT 1	M19	79	Ground	Refer to Reference Value.
   INPUT 2		78
   INPUT 3		77
   INPUT 4		76
   INPUT 5		75

Is the inspection result normal?

Replace the combination switch. Refer to Removal and Installation.

Replace BCM. Refer to Removal and Installation.