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Home >> Infiniti >> 2012 >> G37 Base, 2D Convertible >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 187 (Security Control System) >> DTC/Circuit Diagnosis >> DTC B2108: Steering Lock Relay >> Diagnosis Procedure
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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 STEERING LOCK RELAY

    Check voltage between IPDM E/R harness connector and ground.

    VOLTAGE SPECIFICATION

    (+) (-) Condition Voltage (V) (Approx.)
    IPDM E/R
    Connector Terminal
    E5 11 Ground Ignition switch OFF A few seconds after opening the driver door Battery voltage
    Ignition switch LOCK Press the push-button ignition switch Battery voltage
    Ignition switch ACC or ON 0

    Is the inspection normal? 

    YES: Go to 2.

    NO: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION ".

  2. CHECK STEERING LOCK RELAY CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect IPDM E/R connector and steering lock unit connector.
    3. Check continuity IPDM E/R harness connector and steering lock unit harness connector.
      CONTINUITY SPECIFICATION

      IPDM E/R Steering lock unit Continuity
      Connector Terminal Connector Terminal
      E5 11 M40 1 Existed
    4. Check continuity IPDM E/R harness connector and ground.
      CONTINUITY SPECIFICATION

      IPDM E/R Ground Continuity
      Connector Terminal
      E5 11 Not existed

      Is the inspection result normal? 

      YES: Go to 3.

      NO: Repair or replace harness.

  3. CHECK INTERMITTENT INCIDENT

    Refer to "INTERMITTENT INCIDENT ".

    INSPECTION END

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