Check Ignition Knob Switch

With CONSULT-II 

Display "PUSH SW" on "DATA MONITOR" screen, and check if ON/OFF display is linked to ignition knob operation.

Press ignition knob.: ON 

Return ignition knob (release hands from ignition knob: OFF 

OK or NG 

1. OK: Ignition knob switch is OK.
2. NG: GO TO 2.
   Fig 1: CONSULT-II Data Monitor Display

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

1. Turn ignition knob LOCK position.
2. Disconnect key switch and ignition knob switch connector.
3. Check voltage between key switch and ignition knob switch connector M310 terminal 1 and ground.

   1 (Y) - Ground: Battery voltage 

OK or NG 

1. OK: GO TO 3.
2. NG: Repair or replace key switch and ignition knob switch power supply circuit.
   Fig 2: Checking Voltage Between Key Switch And Ignition Knob Switch Connector M310 Terminal 1 And Ground

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

Check continuity between key switch and ignition knob switch terminals 1 and 2.

Fig 3: Key Switch And Ignition Knob Switch Terminals 1 And 2 Continuity Table

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

OK or NG 

1. OK: GO TO 4.
2. NG: Replace key switch and ignition knob switch.
   Fig 4: Checking Continuity Between Key Switch And Ignition Knob Switch Terminals 1 And 2

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

1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connector M34 terminal 27 and key switch and ignition knob switch connector M310 terminal 2.

   27 (OR) - 2 (OR): Continuity should exist. 

3. Check continuity between key switch and ignition knob switch connector M310 terminal 2 and ground.

   2 (OR) - Ground: Continuity should not exist. 

OK or NG 

1. OK: Replace Intelligent Key unit.
2. NG: Repair or replace harness between Intelligent Key unit and key switch and ignition knob switch.
   Fig 5: Checking Continuity Between Intelligent Key Unit Connector And Key Switch And Ignition Knob Switch Connector

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