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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 B2607: Steering Lock Relay >> 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 STEERING LOCK UNIT POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect steering lock unit connector.
    3. Check voltage between steering lock unit harness connector and ground.
      TERMINALS VOLTAGE REFERENCE

      (+) (-) Condition Voltage (V) (Approx.)
      Steering lock unit
      Connector Terminal
      M40 1 Ground Press push-button ignition switch when steering lock is in lock condition. Battery voltage

    Is the inspection result normal? 

    YES: GO TO  4.

    NO: GO TO  3.

  3. CHECK STEERING LOCK UNIT CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect IPDM E/R connector E5.
    3. Check continuity between steering lock unit harness connector and IPDM E/R harness connector.
      TERMINALS CONTINUITY REFERENCE

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

      Steering lock unit Ground Continuity
      Connector Terminal
      M40 1 Not existed

    Is the inspection result normal? 

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

    NO: Repair or replace harness or connector.

  4. CHECK INTERMITTENT INCIDENT 

    Refer to INTERMITTENT INCIDENT .

    INSPECTION END