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Home >> Infiniti >> 2013 >> EX37 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 32 (Security Control System) >> Component Diagnosis >> DTC B2605: PNP Switch >> Diagnosis Procedure
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Diagnosis Procedure

WARNING: This page is about a different car, the 2008 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DTC WITH IPDM E/R 

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

    Is the inspection result normal? 

    YES: GO TO  2.

    NO: Repair or replace the malfunctioning parts.

  2. CHECK PNP SWITCH CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect TCM connector and BCM connector M123.
    3. Check continuity between TCM harness connector and BCM harness connector.
      TERMINALS CONTINUITY REFERENCE

      TCM BCM Continuity
      Connector Terminal Connector Terminal
      F51 9 M123 140 Existed
    4. Check continuity between TCM harness connector and ground.
      TERMINALS CONTINUITY REFERENCE

      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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