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Home >> Infiniti >> 2012 >> FX35 AWD >> Repair and Diagnosis >> Electrical >> Body Electrical >> Power Control System (Power Distribution System) >> DTC/Circuit Diagnosis >> Push-Button Ignition Switch Position Indicator >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL
    1. Turn ignition switch OFF.
    2. Disconnect push-button ignition switch connector.
    3. Check voltage between push-button ignition switch harness connector and ground.
      (+) (-) Voltage (V) (Approx.)
      Push-button ignition switch
      Connector Terminal
      M50 8 Ground Battery voltage

      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
      • If NG, repair or replace fuse or harness
  2. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT
    1. Disconnect BCM connector.
    2. Check continuity between BCM harness connector and push-button ignition switch harness connector.
      Indicator BCM Push-button ignition switch Continuity
      Connector Terminal Connector Terminal
      LOCK M123 134 M50 5 Existed
      ACC M119 15 6
      ON M122 93 7
    3. Check continuity between BCM harness connector and ground.
      Indicator BCM Ground Continuity
      Connector Terminal
      LOCK M123 134 Not existed
      ACC M119 15
      ON M122 93

      Is the inspection result normal? 

      YES: GO TO 3.

      NO: Repair or replace harness.

  3. CHECK INTERMITTENT INCIDENT

    Refer to "INTERMITTENT INCIDENT ".

    : INSPECTION END