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Home >> Infiniti >> 2024 >> QX60 Autograph, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> ADAS Control Unit >> Basic Inspection >> Steering Torque Calibration >> Work Procedure

Work Procedure

After replacing the ADAS control unit 2 and after replacing or removing the following steering components, the steering torque calibration is necessary to operate the system normally.

NOTE: SYMBOL Follow the CONSULT when performing Steering Torque Calibration. (Steering Torque Calibration cannot be performed without CONSULT).

Work Procedure (Preparation) 

  1. PERFORM SELF-DIAGNOSIS 
    1. Turn ignition switch ON.
    2. Perform self-diagnosis of "ICC/ADAS 2".
    3. Check if any DTC is detected.

    Is any DTC detected?

    YES>>

    Perform diagnosis on the detected DTC and repair or replace the applicable item. Refer to DTC Index .

    NO>>

    GO TO 2.

  2. PREPARATION BEFORE STEERING TORQUE CALIBRATION 
    1. Perform pre-inspection for diagnosis. Refer to Work Procedure .
    2. Place the car on a level surface.
    3. Adjust the tire pressure to the specified pressure value.
    4. Maintain no-load in vehicle.
    5. Check if the following conditions are satisfied.
      • Engine: Running
      • Shift position: P Range
      • Steering wheel: Center (within ±15 degrees)
      • ProPILOT Assist: OFF
      • Vehicle speed: 0 km/h
      • ADAS control unit 2 voltage: More than 10.5 V
    6. Release the parking brake.

    >>

    Refer to Work Procedure (Steering Torque Calibration).

Work Procedure (Steering Torque Calibration) 

NOTE: SYMBOL
  • The steering wheel is operated automatically when "Start" is touched.
  • Do not touch the steering wheel.
  1. STEERING TORQUE CALIBRATION 

    SYMBOL CONSULT

    NOTE: SYMBOL Operate CONSULT outside the vehicle, and close all the doors.
    1. Select "Work Support", then "Steering Torque Calibration".
    2. Select "START" to begin the Steering Torque Calibration.
      NOTE: SYMBOL Never touch steering wheel or shake the vehicle when the Steering Torque Calibration is conducted.
    3. Confirm the displayed item.
      • "Completed": Select "Completion".
      • "Abnormally completed": Perform the following services.

    Displayed item possible cause service procedure:

    Possible Cause Action
    Steering wheel torque value is out range.
    • Check install condition of steering system (from torque sensor to steering wheel).
    • After repairing or replacing error-detected parts, perform calibration again.
    Out of execution condition.
    • Ensure the following items are within the specified range:
      • ADAS control unit 2 power supply: more than 10.5 V
      • Shift position: P range
      • Steering wheel: Center (within ±15 degrees)
      • Vehicle speed: 0 km/h
      • Touched the steering wheel during calibration: retry without touching the steering wheel.
      • Some parts are not normal: Perform "All DTC Reading" with CONSULT.
    • Touch "Retry" after satisfying the execution conditions.
    Calibration for torque value is abnormally completed. Touch "Retry".

    Confirm that "Completed" is displayed and then select "End" to close the adjustment procedure.

    >>

    Work End.