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Home >> Nissan-Datsun >> 2009 >> Murano LE >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control System (VCD/TCS/Abs) >> Component Diagnosis >> VDC Off Switch >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK VDC OFF SWITCH

    Check VDC OFF switch. Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: GO TO  2.

    NO: Replace VDC OFF switch.

  2. CHECK VDC OFF SWITCH HARNESS
    1. Disconnect ABS actuator and electric unit (control unit) connector.
    2. Disconnect VDC OFF switch connector.
    3. Check the continuity between VDC OFF switch harness connector and ABS actuator and electric unit (control unit) harness connector.
      TERMINALS CONTINUITY REFERENCE

      ABS actuator and electric unit (control unit) VDC OFF switch Continuity
      Connector Terminal Connector Terminal
      E36 22 M5 1 Existed
    4. Check the continuity between ABS actuator and electric unit (control unit) harness connector and ground.
      TERMINALS CONTINUITY REFERENCE

      ABS actuator and electric unit (control unit) - Continuity
      Connector Terminal
      E36 22 Ground Not existed
    5. Check the continuity between VDC OFF switch harness connector and ground.
    TERMINALS CONTINUITY REFERENCE

    VDC OFF switch - Continuity
    Connector Terminal
    M5 2 Ground Existed

    Is the inspection result normal? 

    YES: GO TO  3.

    NO: Repair or replace damaged parts.

  3. CHECK COMBINATION METER
    1. Connect ABS actuator and electric unit (control unit) connector.
    2. Connect VDC OFF switch connector.
    3. Check the indication and operation of combination meter are normal. Refer to "DIAGNOSIS DESCRIPTION ".

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Repair or replace combination meter.