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Home >> Infiniti >> 2011 >> FX35 AWD >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Door & Lock (Without Automatic Back Door) -- FX35/FX50 >> DTC/Circuit Diagnosis >> Door Request Switch >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK BCM OUTPUT SIGNAL
    1. Turn ignition switch OFF.
    2. Disconnect malfunctioning front outside handle (request switch) connector.
    3. Check signal between malfunctioning front outside handle (request switch) harness connector and ground.
      SIGNAL REFERENCE CHART

      (+) (-) Signal (Reference value)
      Front outside handle (request switch)
      Connector Terminal
      Driver side D13 1 Ground
      G04888187
      Passenger side D43

      Is the inspection result normal? 

      YES: GO TO  3.

      NO: GO TO 2.

  2. CHECK DOOR REQUEST SWITCH CIRCUIT
    1. Disconnect BCM connector.
    2. Check continuity between BCM harness connector and malfunctioning front outside handle (request switch) harness connector.
      CONTINUITY REFERENCE CHART

      BCM Front outside handle (request switch) Continuity
      Connector Terminal Connector Terminal
      M122 101 LH (driver side) D13 1 Existed
      100 RH (passenger side) D43
    3. Check continuity between BCM harness connector and ground.
      CONTINUITY REFERENCE CHART

      BCM Ground Continuity
      Connector Terminal
      M122 101 Not existed
      100

      Is the inspection result normal? 

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

      NO: Repair or replace harness.

  3. CHECK DOOR REQUEST SWITCH GROUND CIRCUIT

    Check continuity between malfunctioning front outside handle (request switch) harness connector and ground.

    CONTINUITY REFERENCE CHART

    Front outside handle (request switch) Ground Continuity
    Connector Terminal
    Driver side D13 2 Existed
    Passenger side D43

    Is the inspection result normal? 

    YES: GO TO 4.

    NO: Repair or replace harness.

  4. CHECK DOOR REQUEST SWITCH

    Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: GO TO 5.

    NO: Replace malfunctioning front outside handle (request switch). Refer to "OUTSIDE HANDLE : REMOVAL AND INSTALLATION ".

  5. CHECK INTERMITTENT INCIDENT

    Refer to "INTERMITTENT INCIDENT ".

    INSPECTION END