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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 B2617: Starter Relay Circuit >> Diagnosis Procedure

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 STARTER RELAY 
    1. Turn ignition switch ON.
    2. Check voltage between BCM harness connector and ground.
      TERMINALS VOLTAGE REFERENCE

      (+) (-) Condition Voltage (V) (Approx.)
      BCM
      Connector Terminal
      M121 52 Ground Selector lever N or P position Battery voltage
      Other than above 0

    Is the measurement value within the specification. 

    YES: GO TO  3.

    NO: GO TO  2.

  2. CHECK STARTER RELAY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect BCM connector M121 and IPDM E/R connector E6.
    3. Check continuity between IPDM E/R harness connector and BCM harness connector.
      TERMINALS CONTINUITY REFERENCE

      IPDM E/R BCM Continuity
      Connector Terminal Connector Terminal
      E6 46 M121 52 Existed
    4. Check continuity between IPDM E/R harness connector and ground.
      TERMINALS CONTINUITY REFERENCE

      IPDM E/R Ground Continuity
      Connector Terminal
      E6 46 Not existed

    Is the inspection result normal? 

    YES: Replace IPDM E/R. Refer to REMOVAL AND INSTALLATION .

    NO: Repair or replace harness or connector.

  3. CHECK INTERMITTENT INCIDENT 

    Refer to INTERMITTENT INCIDENT .

    INSPECTION END 

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