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Check Ignition Knob Switch

WARNING: This page is about a different car, the 2006 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
  1. 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.

    Fig 1: Display CONSULT-II - Data Monitor Screen
    G04122303Courtesy of NISSAN MOTOR CO., U.S.A.

    Press ignition knob. : ON 

    Return ignition knob (release hands from ignition knob) : OFF 

    OK or NG

    • OK: Ignition knob switch is OK.
    • NG: GO TO 2.
  2. CHECK IGNITION KNOB SWITCH POWER SUPPLY CIRCUIT 
    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 

      Fig 2: Identifying Voltage Between Key Switch And Ignition Knob Switch Connector M310 Terminal 1 And Ground
      G04122304Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: GO TO 3.
    • NG: Repair or replace key switch and ignition knob switch power supply circuit.
  3. CHECK IGNITION KNOB SWITCH OPERATION 

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

    TERMINALS CONTINUITY REFERENCE

    Connector Terminal Condition Continuity
    M310 1 2 Press ignition knob Yes
    Return ignition knob (Release hands from ignition knob) No
    Fig 3: Identifying Continuity Between Key Switch And Ignition Knob Switch Terminals 1 And 2
    G04122305Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: GO TO 4.
    • NG: Replace key switch and ignition knob switch.
  4. CHECK IGNITION KNOB SWITCH CIRCUIT 
    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. 

      Fig 4: Identifying Continuity Between Key Switch And Ignition Knob Switch Connector M310 Terminal 2 And Ground
      G04122306Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: Replace Intelligent Key unit.
    • NG: Repair or replace harness between Intelligent Key unit and key switch and ignition knob switch.
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