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Home >> Infiniti >> 2009 >> G37 x, 4D Sedan >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Power Steering Control System -- Sedan >> With 4WAS >> Component Diagnosis >> DTC C1926, C1932: Steering Angle Sensor >> Special Repair Requirement >> After Replacing Steering Angle Sensor
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After Replacing Steering Angle Sensor

  1. PERFORM ACTIVE TEST (LOCK OPERATION)

    With CONSULT-III 

    1. Stop vehicle with front wheels in the straight-ahead position.
    2. Turn the ignition switch ON.
      CAUTION: Never start engine.
    3. Select "LOCK OPERATION" item on "ACTIVE" of 4WAS front control unit.
    4. Perform "RELEASE" of "ACTIVE TEST".
      CAUTION:
      • Turn steering wheel 90°, and then check that front tire does not move.
      • Never turn steering wheel 1 turn or more while performing "RELEASE".
    5. Place steering wheel in neutral position.
    6. Perform "LOCK" item on "ACTIVE TEST" of 4WAS front control unit.
    7. Steer 30° leftward slowly. Steer 30° rightward and return the steering wheel to the straight-ahead position.
    8. Complete active test of 4WAS front control unit.

      GO TO 2.

  2. STEERING ANGLE SENSOR NEUTRAL POSITION ADJUSTMENT

    With CONSULT-III 

    1. Adjust steering angle sensor neutral position. Refer to "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : SPECIAL REPAIR REQUIREMENT ".
    2. Turn the ignition switch OFF.

      GO TO 3.

  3. RETURN TO 4WAS FRONT ACTUATOR INITIAL POSITION
    1. Start engine.
      CAUTION: Check condition with the vehicle stopped.
    2. Turn steering wheel to the left by 90° slowly, and then turn to the right by 90°.
    3. Again, turn steering wheel to the left by 90° slowly, and then turn to the right by 90° so that it faces straight ahead.
    4. Stop vehicle with front wheels in the straight-ahead position after driving vehicle for a short time. (Engine starting)

      GO TO 4.

  4. CHECK 4WAS FRONT ACTUATOR

    With CONSULT-III 

    1. Check "4WAS STR ANG" item on "DATA MONITOR" of 4WAS front control unit.
      CAUTION: Never touch steering wheel while performing.

      4WAS STR ANG : -3.5 - 3.5deg 

    2. Turn the ignition switch OFF.

      Is the inspection result normal? 

      YES: GO TO 5.

      NO: GO TO  1.

  5. PERFORM ACTIVE TEST (SLOW MODE)

    With CONSULT-III 

    1. Start engine.
      CAUTION: Check condition with the vehicle stopped.
    2. Select "SLOW MODE" item on "ACTIVE TEST" of 4WAS front control unit.
    3. Perform "MODE START" of "ACTIVE TEST".
    4. Turn steering wheel to the left slowly until it stops.
    5. Turn steering wheel to the right slowly until it stops.

      Does "OK" display on both the left and right sides on "SLOW MODE" items of the monitor? 

      YES: GO TO 6.

      NO: Refer to "4WAS FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : SPECIAL REPAIR REQUIREMENT (PATTERN 4) ".

  6. PERFORM SELF-DIAGNOSIS (4WAS FRONT CONTROL UNIT)

    With CONSULT-III 

    Perform 4WAS front control unit self-diagnosis.

    Is malfunction detected? 

    YES: Check malfunctioning circuit.

    NO: GO TO 7.

  7. ERASE ERROR RECORD

    With CONSULT-III 

    Erase memories of self-diagnosis results for 4WAS front control unit and 4WAS main control unit.

    END

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