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Home >> Infiniti >> 2012 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 187 (Security Control System) >> DTC/Circuit Diagnosis >> DTC B2617: Starter Relay Circuit >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Nissan 370Z. 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.
      VOLTAGE SPECIFICATION

      (+) (-) Condition Voltage (V) (Approx.)
      BCM
      Connector Terminal
      M121 52 Ground Selector lever (A/T models) N or P position 12
      Other than above 0
      Clutch pedal (M/T models) Depressed Battery voltage
      Not depressed 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 and IPDM E/R connector.
    3. Check continuity between IPDM E/R harness connector and BCM harness connector.
      CONTINUITY SPECIFICATION

      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.
      CONTINUITY SPECIFICATION

      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.

  3. CHECK INTERMITTENT INCIDENT

    Refer to "INTERMITTENT INCIDENT ".

    INSPECTION END

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