Diagnosis Procedure

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM - COUPE " or "WIRING DIAGRAM - SEDAN ".

1. CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL
   1. Turn ignition switch OFF.
   2. Disconnect push-button ignition switch.
   3. Check voltage between push-button ignition switch harness connector and ground.

      Terminals			Voltage (V)
      (+)		(-)
      Push-button ignition switch		Ground
      Connector	Terminal
      M38	8		Battery voltage

      Fig 1: Checking Push-Button Ignition Switch Input Signal

      Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: GO TO 2

      NO: Check the following.

      • 10A fuse [No. 9, located in fuse block (J/B)]
      • Harness for open or short between push-button ignition switch and fuse.
2. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT
   1. Disconnect BCM and push-button ignition switch.
   2. Check continuity between BCM harness connector and pushbutton ignition switch harness connector.

      Indicator	BCM Connector	Terminal	Push-button ignition switch connector	Terminal	Continuity
      LOCK	M18 (A)	42	M38 (D)	5	Yes
      ACC	M17 (B)	15		6
      ON	M19 (C)	81		7

      Fig 2: Checking Push-Button Ignition Switch Circuit

      Courtesy of NISSAN NORTH AMERICA, INC.
   3. Check continuity between BCM harness connector and ground.

      Indicator	BCM connector	Terminal	Ground	Continuity
      LOCK	M18 (A)	42		No
      ACC	M17 (B)	15
      ON	M19 (C)	81

      Fig 3: Checking Push-Button Ignition Switch Circuit

      Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: GO TO 3

      NO: Repair or replace harness.

3. CHECK PUSH-BUTTON IGNITION SWITCH

   Refer to "COMPONENT INSPECTION ".

   Is the inspection result normal? 

   YES: GO TO 4

   NO: Replace push-button ignition switch. Refer to "REMOVAL AND INSTALLATION ".

4. CHECK INTERMITTENT INCIDENT

   Refer to "INTERMITTENT INCIDENT ".

   Inspection End.