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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control System >> Trouble Diagnosis >> Inspection 5: Steering Angle Sensor And Circuit Between Steering Angle Sensor And VDC/TCS/Abs Control Unit
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Inspection 5: Steering Angle Sensor And Circuit Between Steering Angle Sensor And VDC/TCS/Abs Control Unit

  1. CHECKING SELF-DIAGNOSIS RESULTS 

    Check self-diagnosis results.

    Fig 1: Displaying Self-Diagnosis Results
    G00738211Courtesy of NISSAN MOTOR CO., U.S.A.

    Also perform Inspection 1 for the CAN communication system.

    Does "STEERING ANGLE SENSOR" appear on self-diagnosis display?

    1. YES: GO TO  2.
    2. NO: Inspection is completed.

    Fig 2: Displaying Steering Angle Sensor-To-VDC/TCS/ABS Control Unit Circuit
    G00738212Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECKING STEERING ANGLE SENSOR CIRCUIT 
    1. Disconnect VDC/TCS/ABS control unit connector E218 and steering angle sensor connector M52.
    2. Check continuity between VDC/TCS/ABS control unit harness connector E218 and steering angle sensor harness connector M52.
      Fig 3: Checking Steering Angle Sensor Circuit
      G00738213Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 4: Displaying Continuity Results Of VDC/TCS/ABS Control Unit & Steering Angle Sensor
      G00738214Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: GO TO  3.
    2. NG: Open or short in harness. Repair or replace suspect harness.

  3. DATA MONITOR CHECK 

    Execute "DATA MONITOR" for "STEERING ANGLE SIGNAL". Check that results are normal.

    Fig 5: Displaying Data Monitor Results For Steering Conditions
    G00738215Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: Perform VDC/TCS/ABS control unit self-diagnosis again.
    2. NG: Replace spiral cable (steering angle sensor) and adjust neutral position of steering angle sensor. Refer to ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION .