Check Push-Button Ignition Switch

1. CHECK POWER SUPPLY CIRCUIT 
   1. Turn ignition switch OFF.
   2. Disconnect push-button ignition switch connector.
   3. Check voltage between push-button ignition switch connector and ground.
      VOLTAGE SPECIFICATIONS
      
      

      Terminals			Voltage (V) (Approx.)
      (+)		(-)
      push-button ignition switch connector	Terminal
      M27	4	Ground	Battery voltage

   Fig 1: Checking Voltage Between Push-Button Ignition Switch Connector And Ground

   Courtesy of NISSAN MOTOR CO., U.S.A.

   OK or NG 

   OK: GO TO  3.

   NG: GO TO 2.

2. CHECK HARNESS CONTINUITY 
   1. Disconnect Intelligent Key unit connector.
   2. Check continuity between Intelligent Key unit connector and push-button ignition switch connector.
      CONTINUITY CONDITIONS
      
      

      A		B		Continuity
      Intelligent Key unit connector	Terminal	push-button ignition switch connector	Terminal
      M32	39	M27	4	Yes

   3. Check continuity between Intelligent Key unit connector and ground.
      CONTINUITY CONDITIONS
      
      

      A		Ground	Continuity
      Intelligent Key unit connector	Terminal
      M32	39		No

   Fig 2: Checking Continuity Between Intelligent Key Unit Connector And Push-Button Ignition Switch Connector

   Courtesy of NISSAN MOTOR CO., U.S.A.

   OK or NG 

   OK: GO TO 3.

   NG: Repair or replace harness.

3. CHECK PUSH-BUTTON IGNITION SWITCH 

   Check push-button ignition switch.

   CONTINUITY CONDITIONS
   
   

   Terminal		Push-button ignition switch condition	Continuity
   Push-button ignition switch
   1	4	Pushed	Yes
   		Released	No

   Fig 3: Checking Push-Button Ignition Switch

   Courtesy of NISSAN MOTOR CO., U.S.A.

   OK or NG 

   OK: GO TO 4.

   NG: Replace push-button ignition switch.

4. CHECK GROUND CIRCUIT 

   Check push-button ignition switch connector.

   CONTINUITY CONDITIONS
   
   

   Push-button ignition switch connector	Terminal	Ground	Continuity
   M27	1		Yes

OK or NG 

OK: Check the condition of harness and connector.

NG: Repair or replace harness.

Fig 4: Checking Push-Button Ignition Switch Connector

Courtesy of NISSAN MOTOR CO., U.S.A.