LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2009 >> M45 x >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control System >> Service Information >> Trouble Diagnosis For System >> VDC OFF Switch Circuit >> Inspection Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection Procedure

  1. CHECK VDC OFF SWITCH
    1. Turn ignition switch OFF and disconnect VDC OFF switch connector M24.
    2. Check continuity between VDC OFF switch connector M24 terminal 1 and 2.
      CONTINUITY CHART

      VDC OFF switch Condition Continuity
      1, 2 VDC OFF switch ON Yes
      VDC OFF switch OFF No
      Fig 1: Checking Continuity Between VDC Off Switch Terminal Side Harness Connector M24 Terminal 1 And 2
      G05211861Courtesy of NISSAN MOTOR CO., U.S.A.

      OK or NG 

      OK: GO TO 2.

      NG: VDC OFF switch is malfunctioning. Replace VDC OFF switch.

  2. CHECK VDC OFF SWITCH HARNESS
    1. Disconnect ABS actuator and electric unit (control unit) connector E30.
    2. Check continuity between VDC OFF switch connector M24 and ABS actuator and electric unit (control unit) connector E30.
      CONTINUITY CHART

      ABS actuator and electric unit (control unit) VDC OFF switch Continuity
      31 1 Yes
      Ground No
      Ground 2 Yes
      Fig 2: Checking Continuity Between VDC OFF Switch Terminal Side Harness Connector M24 And ABS Actuator And Electric Unit Terminal Side Harness Connector E30
      G05211862Courtesy of NISSAN MOTOR CO., U.S.A.

      OK or NG 

      OK: INSPECTION END

      NG: Repair or replace malfunctioning components.