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Home >> Infiniti >> 2007 >> M45 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Body, Lock & Security System >> Intelligent Key System/Engine Start Function >> DTC B2560: Start Pow Sup CIRC >> Diagnostic Procedure
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Diagnostic Procedure

  1. CHECK HARNESS CONTINUITY 1 
    1. Turn ignition switch OFF.
    2. Disconnect Intelligent Key unit and power distribution unit connector.
    3. Check continuity between Intelligent Key unit connector and power distribution unit connector.
      TERMINAL CONTINUITY CHART

      A B Continuity
      Intelligent Key unit connector Terminal Power distribution unit connector Terminal
      M32 3 M30 11 Yes
    4. Check continuity between Intelligent Key unit connector and ground.
      TERMINAL CONTINUITY CHART

      A Ground Continuity
      Intelligent Key unit connector Terminal
      M32 3 No
      Fig 1: Checking Continuity Between Intelligent Key Unit Connector And Power Distribution Unit Connector
      G05212344

    OK or NG 

    OK: GO TO 2.

    NG: Repair or replace harness.

  2. CHECK HARNESS CONTINUITY 2 
    1. Disconnect IPDM E/R connector.
    2. Check continuity between power distribution unit connector and IPDM E/R connector.
      TERMINAL CONTINUITY CHART

      A B Continuity
      Power distribution unit connector Terminal IPDM E/R connector Terminal
      M31 13 E4 4 Yes
    3. Check continuity between power distribution unit connector and ground.
      TERMINAL CONTINUITY CHART

      A Ground Continuity
      Power distribution unit connector Terminal
      M31 13 No
      Fig 2: Checking Continuity Between Power Distribution Unit Connector And IPDM E/R Connector
      G05212345

    OK or NG 

    OK: Replace IPDM E/R.

    NG: Repair or replace harness.

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