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Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis (Single Page) >> Steering >> Steering Column >> Steering System (Diagnostics) >> Basic Inspection >> Direct Adaptive Steering >> Toe-In Adjustment >> Work Procedure - Direct Adaptive Steering System >> Alignment Tester
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Alignment Tester

WARNING: Never move the vehicle during "DAST CALIBRATION (MODE1)" because the steering gear is held in neutral position until ignition switch is turned OFF
CAUTION:
  • Be careful for the moving parts, steering wheel and front wheels are steered automatically when start "DAST CALIBRATION (MODE1)".
  • Do not rotate road wheels during the DAST calibration because the system is detected the vehicle running.
  • Never move the vehicle until the toe-in adjustment is finished.
  1. PREPARATION 
    1. Set the vehicle to alignment tester. Then set the front wheel on the turn table of 4 wheel alignment tester.
      NOTE: Do not lift up the vehicle during "DAST CALIBRATION (MODE1)".
    2. Connect the battery charger to protect the battery.
      NOTE: Much electricity is used in "DAST CALIBRATION (MODE1)".

    GO TO 2.

  2. ECU CONFIGURATION 

    SYMBOL With CONSULT

    1. Connect the CONSULT.
    2. Turn the ignition switch ON.
      CAUTION: Never start the engine.
    3. Perform configuration for steering force control module Refer to Work Procedure .
      NOTE: The replacement of control module included in configuration is not required.
    4. Perform configuration for steering angle main control module Refer to Work Procedure .
      NOTE: The replacement of control module included in configuration is not required.
    5. Perform configuration for steering angle sub control module Refer to Work Procedure .
      NOTE: The replacement of control module included in configuration is not required.
    6. Turn the ignition switch OFF.

    GO TO 3.

  3. DAST CALIBRATION (MODE1) [CLUTCH PHASE LEARNING] 

    SYMBOL With CONSULT

    1. Turn the ignition switch ON.
      CAUTION: Never start the engine.
    2. Perform "DAST CALIBRATION (MODE1)" Refer to Work Procedure .
    3. Turn the ignition switch OFF.
      CAUTION: Be sure to perform this step.

    GO TO 4.

  4. DAST CALIBRATION (MODE1) [STEERING RACK NEUTRAL POSITION LEARNING] 

    SYMBOL With CONSULT

    1. Turn the ignition switch ON.
      CAUTION: Never start the engine.
    2. Perform "DAST CALIBRATION (MODE1)" Refer to Work Procedure .

    GO TO 5.

  5. TOE-IN ADJUSTMENT 

    Adjust toe-in according to the specified value.

    Toe-in

    Refer to WHEEL ALIGNMENT : Service Data .
    CAUTION:
    • Always evenly adjust both toe-in alternately and adjust the difference between the left and right to the standard.
    • Always fix the steering inner socket when tightening the steering outer socket.
    • Never touch the steering wheel during toe-in adjustment.
    NOTE: Steering gear is held in neutral position until ignition switch is turned OFF

    GO TO 6.

  6. ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION 

    SYMBOL With CONSULT

    1. On the CONSULT screen, select "ABS">>"WORK SUPPORT">>"ST ANGLE SENSOR ADJUSTMENT".
    2. Touch START.
      CAUTION: Never touch steering wheel while adjusting steering angle sensor.
    3. After approx. 10 seconds, select "END".
    4. Turn ignition switch OFF, and then turn it ON again.
      CAUTION: Be sure to perform this step.

    GO TO 7.

  7. PERFORM SELF-DIAGNOSIS 

    SYMBOL With CONSULT

    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Start the engine.
      CAUTION: Never drive the vehicle.
    3. Perform self-diagnosis for "EPS/DAST 3", "DAST 1" and "DAST 2".

    Is any DTC detected?

    YES

    Perform trouble diagnosis for the detected DTC Refer to DTC Index . (EPS/DAST 3), Refer to DTC Index . (DAST 1), Refer to DTC Index . (DAST 2).

    NO

    GO TO 8.

  8. FINAL CONFIRMATION 

    SYMBOL With CONSULT

    1. Turn the ignition switch OFF to ON.
      CAUTION: Never start the engine.
    2. On the CONSULT screen, select "EPS/DAST 3">>"DATA MONITOR">>"ANGLE 1", and then and then check the value.

      Monitor item

      Standard value

      ANGLE 1

      -4.4 ≥ ANGLE 1 ≥ 4.4

    Is the confirmation result normal?

    YES

    GO TO 9.

    NO

    Slightly lower the tilt position, and then re-perform "DAST CALIBRATION (MODE1)". GO TO 3.

  9. CHECK INNER SOCKET LENGTH 

    Check that inner socket length is in the specified value Refer to STEERING GEAR AND LINKAGE : Disassembly & Assembly .

    Is the inspection result normal?

    YES

    GO TO 10.

    NO

    GO TO 1.

  10. STEERING ANGLE INSPECTION 
    1. Start the engine.
    2. Fully steer right and left. And check that the knock sound does not exist from the steering rack.
      CAUTION: Never confuse the knock sound with the clutch sound that is heard from nearby of steering column.

    Is the inspection result normal?

    YES

    WORK END

    NO

    GO TO 11.

  11. CHECK SUSPENSION AND STEERING PARTS INSTALLATION CONDITION 

    Check suspension and steering parts installation condition. Check suspension and steering parts installation condition.

    Is the inspection result normal?

    YES

    GO TO 5.

    NO

    Install suspension and steering parts properly. Then perform the toe-in adjustment again. GO TO 1.

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