Diagnosis Procedure

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

1. CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN
   1. Turn ignition switch OFF.
   2. Disconnect BCM and combination switch.
   3. Check continuity between BCM harness connector and combination switch harness connector.

   System	BCM		Combination switch		Continuity
   	Connector	Terminal	Connector	Terminal
   INPUT 1	M18 (A)	36	M28 (B)	1	Yes
   INPUT 2		35		2
   INPUT 3		34		3
   INPUT 4		33		4
   INPUT 5		32		5

   Fig 1: Checking Inputs 1 - 5 System Circuits For Open

   Courtesy of NISSAN NORTH AMERICA, INC.

   Does continuity exist? 

   YES: GO TO 2

   NO: Repair or replace harness.

2. CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT

   Check for continuity between BCM harness connector and ground.

   System	BCM		Ground	Continuity
   	Connector	Terminal
   INPUT 1	M18	36		No
   INPUT 2		35
   INPUT 3		34
   INPUT 4		33
   INPUT 5		32

   Fig 2: Checking Inputs 1 - 5 System Circuits For Short

   Courtesy of NISSAN NORTH AMERICA, INC.

   Does continuity exist? 

   YES: Repair or replace harness.

   NO: GO TO 3

3. CHECK COMBINATION SWITCH

   Check combination switch. Refer to "Symptom Table ".

   Is the check result normal? 

   YES: Replace BCM. Refer to "Removal and Installation ".

   NO: Replace combination switch (applicable parts). Refer to "REMOVAL AND INSTALLATION ".