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Inspection 5: Steering Angle Sensor and Circuit Between Steering Angle Sensor and VDC/TCS/ABS Control Unit

WARNING: This page is about a different car, the 2005 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

Inspection Procedure

  1. CHECK SELF-DIAGNOSTIC RESULTS (1) 

    Check the self-diagnostic results.

    STEERING ANGLE SENSOR SELF-DIAGNOSTIC RESULTS

    Self-diagnostic results
    ST ANGLE SEN CIRCUIT

    Is above displayed on self-diagnosis display? 

    1. YES: GO TO 2.
    2. NO: INSPECTION END
  2. CHECK SELF-DIAGNOSTIC RESULTS (2) 
    1. Turn ignition switch OFF and disconnect steering angle sensor connector and VDC/TCS/ABS control unit connector. Then reconnect them securely.
    2. Perform VDC/TCS/ABS control unit self-diagnosis again.

    OK or NG 

    1. OK: Poor connection of connectors. Repair or replace suspect connector. Perform self-diagnosis again.
    2. NO: GO TO 3.
  3. CHECK STEERING ANGLE SENSOR CIRCUIT 
    1. Turn ignition switch OFF and disconnect VDC/TCS/ABS control unit connector and steering angle sensor connector.
    2. Check continuity between VDC/TCS/ABS control unit harness connector M93 and steering angle sensor harness connector M22.
      Fig 1: Checking Continuity Between VDC/TCS/ABS Control Unit Harness Connector M93 And Steering Angle Sensor Harness Connector M22
      G02335691Courtesy of NISSAN MOTOR CO., U.S.A.
      VDC/TCS/ABS CONTROL UNIT AND STEERING ANGLE SENSOR CONTINUITY

      VDC/TCS/ABS control unit (Harness connector M93) Steering angle sensor (Harness connector M22) Continuity
      2 (Y/R) 3 (Y/R) YES

    OK or NG 

    1. OK: GO TO 4.
    2. NG: Open or short in harness. Repair or replace the suspect harness.
  4. PERFORM DATA MONITOR 
    1. Connect VDC/TCS/ABS control unit connector and steering angle sensor connector.
    2. Perform "DATA MONITOR" for "STR ANGLE SIG". Check if results are normal.
      DATA MONITOR RESULT FOR STR ANGLE SIG

      Steering condition DATA MONITOR
      Driving straight -5 to +5°
      Turned 90°to right Approx. +90°
      Turned 90°to left Approx. -90°

    OK or NG 

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