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Home >> Infiniti >> 2010 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 268 (Power Control System) >> Power Distribution System >> DTC/Circuit Diagnosis >> Push-Button Ignition Switch Position Indicator >> Diagnosis Procedure
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Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Nissan Juke. However, it is still accessible from the selected car via links, so may be relevant.
  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.
      CONNECTOR TERMINALS VOLTAGE REFERENCE CHART

      (+) (-) Voltage (V) (Approx.)
      Push-button ignition switch
      Connector Terminal
      M101 3 Ground Battery voltage

      Is the inspection normal? 

      YES: GO TO 2.

      NO-1: Check 10 A fuse [No. 13, located in fuse block (J/B)].

      NO-2: Check harness for open or short between push-button ignition switch and fuse.

  2. CHECK BCM INPUT
    1. Connect push-button ignition switch connector.
    2. Disconnect BCM connector.
    3. Check voltage between BCM connector and ground.
      CONNECTOR TERMINALS VOLTAGE REFERENCE CHART

      (+) (-) Voltage (V) (Approx.)
      BCM
      Connector Terminal
      M70 91 Ground Battery voltage

      Is the inspection normal? 

      YES: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

      NO: GO TO 3.

  3. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT
    1. Disconnect push-button ignition switch connector.
    2. Check continuity between BCM harness connector and push-button ignition switch harness connector.
      CONNECTOR TERMINALS CONTINUITY REFERENCE CHART

      BCM Push-button ignition switch Continuity
      Connector Terminal Connector Terminal
      M70 91 M101 7 Existed
    3. Check continuity between BCM harness connector and ground.
      CONNECTOR TERMINALS CONTINUITY REFERENCE CHART

      BCM Ground Continuity
      Connector Terminal
      M70 91 Not existed

      Is the inspection normal? 

      YES: Replace push-button ignition switch.

      NO: Repair or replace harness.