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 REFERENCE CHART
   
   

   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 REFERENCE CHART
      
      

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

   Courtesy of NISSAN MOTOR CO., U.S.A.
   CONTINUITY REFERENCE CHART
   
   

   A		Ground	Continuity
   Intelligent Key unit connector	Terminal
   M32	39		No

   OK or NG 

   OK: GO TO  3.

   NG: Repair or replace harness.

3. CHECK PUSH-BUTTON IGNITION SWITCH

   Check push-button ignition switch.

   CONTINUITY REFERENCE CHART
   
   

   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.

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.