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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
      G02353951Courtesy of NISSAN MOTOR CO., U.S.A.
      VDC/TCS/ABS CONTROL UNIT CONNECTOR AND STEERING ANGLE SENSOR CONNECTOR 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.
      STEERING SENSOR VALUE ON " DATA MONITOR

      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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