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Home >> Infiniti >> 2024 >> Q50 Sensory, RWD >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Brake Control System >> Basic Inspection >> Brake Control System >> Adjustment Of Steering Angle Sensor Neutral Position >> Work Procedure
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Work Procedure

Always adjust the neutral position of steering angle sensor before driving when the following operation is performed.

x: Required -: Not required

Procedure Adjust the neutral position of steering angle sensor
Removing/ installing ABS actuator and electric unit (control unit) -
Replacing ABS actuator and electric unit (control unit) -
Removing/installing steering angle sensor x
Replacing steering angle sensor x
Removing/installing steering components x
Replacing steering components x
Removing/installing front suspension components x
Replacing front suspension components x
Removing/installing tire -
Replacing tire -
Tire rotation -
Adjusting front wheel alignment. x

ADJUST THE NEUTRAL POSITION OF STEERING ANGLE SENSOR 

CAUTION:

Always use CONSULT when adjusting the neutral position of steering angle sensor. (It cannot be adjusted other than with CONSULT.)

  1. CHECK VEHICLE SPECIFICATIONS 

    Check vehicle specifications.

    Models with direct adaptive steering system>>

    Refer to Work Procedure . GO TO 4.

    Models without direct adaptive steering system>>

    GO TO 2.

  2. CHECK THE VEHICLE STATUS (1) 

    Stop vehicle with front wheels in the straight-ahead position.

    Does the vehicle stay in the straight-ahead position?

    YES>>

    GO TO 3.

    NO>>

    Steer the steering wheel to the straight-ahead position. Stop the vehicle.

  3. ADJUST NEUTRAL POSITION OF STEERING ANGLE SENSOR 

    SYMBOL With CONSULT

    1. Turn the ignition switch ON.
      CAUTION:

      Never start engine.

    2. Select "ABS", "WORK SUPPORT" and "ST ANGLE SENSOR ADJUSTMENT" in this order.
    3. Select "START".
      CAUTION:

      Never touch steering wheel while adjusting steering angle sensor.

    4. After approximately 10 seconds, select "END".
    5. Turn ignition switch OFF, and then turn it ON again.
      CAUTION:

      Be sure to perform the operation above.

    >>

    GO TO 4.

  4. CHECK DATA MONITOR (1) 

    SYMBOL With CONSULT

    1. The vehicle is either pointing straight ahead, or the vehicle needs to be moved. Stop when it is pointing straight ahead.
    2. Select "ABS", "DATA MONITOR", "ECU INPUT SIGNALS" and "STR ANGLE SIG" in the order. Check that the signal is within the specified value. Refer to Values On The Diagnosis Tool .

    Is the inspection result normal?

    YES>>

    GO TO 11.

    NO>>

    GO TO 5.

  5. CHECK STEERING COMPONENT PARTS 

    Check the installation condition of steering component parts. Refer to Inspection . Is the inspection result normal?

    YES>>

    GO TO 6.

    NO>>

    Repair or replace error-detected parts. GO TO 6.

  6. CHECK FRONT SUSPENSION COMPONENT PARTS 

    Check the installation condition of front suspension component parts. Refer to Inspection . Is the inspection result normal?

    YES>>

    GO TO 7.

    NO>>

    Repair or replace error-detected parts. GO TO 7.

  7. CHECK FRONT WHEEL ALIGNMENT 

    Check the front wheel alignment. Refer to WHEEL ALIGNMENT : Inspection . Is the inspection result normal?

    YES>>

    Adjust the front wheel alignment. Refer to WHEEL ALIGNMENT : Adjustment . GO TO 8.

  8. CHECK THE VEHICLE STATUS (2) 

    Stop vehicle with front wheels in the straight-ahead position.

    Does the vehicle stay in the straight-ahead position?

    YES>>

    GO TO 9.

    NO>>

    Steer the steering wheel to the straight-ahead position. Stop the vehicle. GO TO 9.

  9. CHECK DATA MONITOR (2) 

    SYMBOL With CONSULT

    1. The vehicle is either pointing straight ahead, or the vehicle needs to be moved. Stop when it is pointing straight ahead.
    2. Select "ABS", "DATA MONITOR", "ECU INPUT SIGNALS" and "STR ANGLE SIG" in the order. Check that the signal is within the specified value. Refer to Values On The Diagnosis Tool .

    Is the inspection result normal?

    YES>>

    GO TO 11.

    NO>>

    GO TO 10.

  10. CHECK DATA MONITOR (3) 

    SYMBOL With CONSULT

    1. The vehicle is either pointing straight ahead, or the vehicle needs to be moved.
      CAUTION:
      • Drive the vehicle at approximately 30 km/h (19MPH) or more for 300 m (985 ft) or more.
      • Never use tester
    2. The vehicle is either pointing straight ahead, or the vehicle needs to be moved. Stop when it is pointing straight ahead.
    3. Select "ABS", "DATA MONITOR", "ECU INPUT SIGNALS" and "STR ANGLE SIG" in the order. Check that the signal is within the specified value. Refer to Values On The Diagnosis Tool .

    Is the inspection result normal?

    YES>>

    GO TO 11.

    NO>>

    GO TO 1.

  11. ERASE SELF-DIAGNOSIS MEMORY 

    SYMBOL With CONSULT

    1. Erase self-diagnosis result of "ABS".
    2. Turn the ignition switch OFF → ON → OFF.
      CAUTION:

      Be sure to wait for 10 seconds or more after turning the ignition switch OFF or ON.

    Are the memories erased?

    YES>>

    INSPECTION END

    NO>>

    Check the items indicated by the self-diagnosis.

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