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Home >> Infiniti >> 2012 >> EX35 Base, AWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Security Control System >> DTC/Circuit Diagnosis >> DTC B2604: PNP Switch >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK DTC WITH TCM

    Check "Self diagnostic result" with CONSULT. Refer to "DTC INDEX ".

    Is the inspection result normal? 

    YES: GO TO 2.

    NO: Repair or replace the malfunctioning parts.

  2. CHECK TRANSMISSION RANGE SWITCH CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect TCM connector and BCM connector.
    3. Check continuity between TCM harness connector and BCM harness connector.
      TCM BCM Continuity
      Connector Terminal Connector Terminal
      F51 9 M123 140 Existed
    4. Check continuity between TCM harness connector and ground.
      TCM Ground Continuity
      Connector Terminal
      F51 9 Not existed

      Is the inspection result normal? 

      YES: GO TO 3.

      NO: Repair or replace harness or connector.

  3. CHECK INTERMITTENT INCIDENT

    Refer to "INTERMITTENT INCIDENT ".

    : INSPECTION END

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