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Home >> VinFast >> 2023 >> VF8 Plus >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Driver Assistance Systems >> Repair Procedures >> Windshield Camera Calibration (Launch Mobile)
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Windshield Camera Calibration (Launch Mobile)

Mobile Repair Possible:  No

Required Setup Area: 

Ensure the vehicle is placed in a location with sufficient clear space around the vehicle:

Workstation and Vehicle Setup Considerations: 

Key Measurements: 

Front windshield camera target pattern boards (LAM01-07-L and LAM01-07-R) must be aligned with vehicle centre line and:

Front Windshield Camera Calibration 

  1. Take out the Launch Mobile Calibration Frame and place it on flat ground.
    G15971484Courtesy of VINFAST, LLC
  2. Push the lever (1) upwards as indicated and fold down the 3 caster wheel legs (2).
    G15971485Courtesy of VINFAST, LLC
  3. Lift one cross bar up until it fully contacts the positioning bracket. Use the safety snap hook (3) to hold in place. Repeat for the other cross bar.
    G15971486Courtesy of VINFAST, LLC
  4. Position the Launch Mobile Calibration Frame in front of the vehicle approximately 3 meters from the front of the vehicle. This will allow clear space for taking measurements and accurately positioning the frame. Attach the Cross Laser Module (LAM09-02) to Point (8) on the Calibration Frame but do not turn on at this stage.
    G15971487Courtesy of VINFAST, LLC
  5. Determine the center line of the vehicle by suspending the Plumb Line (LAM09-06) against the center of the front vehicle "V" logo and let it naturally drop to the ground. Lightly flick the string with your finger several times to confirm the string is perpendicular to the ground. Mark the ground with a Cross Sticker to indicate the Front Center Point of the vehicle - Point (A).
  6. Place the Five-Line Laser Instrument (LAM09-01) at Point (A). The Logo on the Five-Line Laser Instrument should be facing towards the rear of the vehicle. Ensure the red dot underneath the Five-Line Laser Instrument is aligned with the Cross Sticker at Point (A).
    G15971488Courtesy of VINFAST, LLC
  7. Suspend the Plumb Line (LAM09-06) against the centre of the rear vehicle "V" logo and let it naturally drop to the ground. Lightly flick the string with your finger several times to confirm the string is perpendicular to the ground. Mark the ground with a Cross Sticker to indicate the Rear Center Point of the vehicle - Point (B).
  8. Place the Laser Reflector (LAM09-03) parallel to the vehicle and ensure the reflective stripe is aligned with Point (B).
    G15971489Courtesy of VINFAST, LLC
  9. Place the Auxiliary Mirror (LAM09-04) in front of the vehicle, approximately located at (4). Angle the Auxiliary Mirror appropriately so that the Laser Reflector at the rear of the vehicle can be viewed without needing to lie on the ground.
  10. Adjust the support legs of the Five-Line Laster Instrument (LAM09-01) to ensure it is level. Turn on the laser beams of the Five-Line Laser Instrument (LAM09-01).
  11. Observe the position of the laser beam with the auxiliary mirror LAM09-04. Rotate the fine tuning knob (5) of the 5-Line Laser Instrument (LAM09-01) at Point (A) to ensure the longitudinal laser beam aligns with the reflective stripe of the Laser Reflector (LAM09-03) at Point (B). The dotted line (P) now represents the Centre Line of the Vehicle.
  12. The calibration location requires the Target Pattern Board to be placed 2900 mm forward of the Centre Line of the Front Axle.
    G15971490Courtesy of VINFAST, LLC
  13. Select a point approximately 500 mm forward of the front bumper on Line (P) and mark it with a Cross Sticker - Point (E).
    G15971491Courtesy of VINFAST, LLC
  14. Place the L-shaped Bracket (LAM09-05) in line with the centre hub of the Left Front Wheel (6).
  15. Use a Tape Measure to measure forwards from the L-Shape Bracket a distance of 2900 mm. Mark this point with a Cross Sticker as Point (F1).
  16. Repeat on the Right side and mark these points with Cross Stickers as Point (F2) respectively.
    G15971492Courtesy of VINFAST, LLC
  17. Turn on the Cross Laser Module (LAM09-02) and align the Launch Mobile Calibration Frame so that the longitudinal line is still passing through Point (A) and Point (E). The lateral lines should be passing through points (F1) and (F2). Lock the wheels of the Launch Mobile Calibration Frame at this time. Calibration note: Minor adjustment can be made to the lateral alignment using the Fine Adjustment Screw (17). 
    G15971493Courtesy of VINFAST, LLC
  18. Observe the horizontal bubble on the cross bar. If the bubble is not centered, adjust the bottom knobs (1, 2, 3) until the bubble is centered.
    G15971494Courtesy of VINFAST, LLC
    G15971495Courtesy of VINFAST, LLC
  19. Use the rotary handle (18) to set the height of the Launch Mobile Calibration Frame to 1498.6 mm as indicated by the Digital Height Gauge (H).

    Calibration note: The Digital Height Gauge should be pushed all the way up into the locating slot to ensure an accurate reading. 

  20. Ensure that the Launch Mobile Calibration Frame is still correctly located with the lateral line passing through points (F1) and (F2) and the longitudinal line pointing through Point (A) and Point (E).
  21. Turn off the Cross Laser Module (LAM09-02) and remove it from the Launch Mobile Calibration Frame.
    G15971496Courtesy of VINFAST, LLC
  22. Locate the 2 mounting holes (8) on the back centre of the Target Pattern Boards (LAM01-7-R and LAM01-7-L). Align these holes with the 2 mounting lugs on the side positioning plates of the Launch Calibration Frame.
    G15971497Courtesy of VINFAST, LLC
  23. There is a scale ruler on the horizontal bar of the equipment, the sliders should be positioned with the pointers at 550 mm on each side (W).
  24. Refer to DIAGNOSTICS, PROGRAMMING & SETUP USING SCAN TOOL IN SERVICE . Follow Scan Tool instructions to trigger the ADAS module "LDW Camera Calibration" procedure for the Front Windshield Camera.
  25. If error codes are reported on Scan Tool, refer to the table below and adjust the calibration setup as required
  26. Scan Tool will confirm when Front Windshield Camera Calibration is complete.
  27. Finally complete a Diagnostic Trouble Code check to ensure the vehicle is operating correctly.
    Calibration Failure Message Recommended Action
    TAC PROTOCOL VERSION ERROR Check DTCs.
    Update Front Windshield Camera Calibration Perform diagnosis and replace Front Windshield Camera if required
    TAC HEADER CRC ERROR Attempt calibration again Check DTCs.
    Update Front Windshield Camera Calibration Perform diagnosis and replace Front Windshield Camera if required
    TAC OBJECT CRC ERROR ERROR
    TAC WRONG RUNMODE ERROR
    TAC PROCESS TIMEOUT ERROR
    TAC SWITCHMODE FAILED ERROR
    TAC NVMWRITE FAILED ERROR
    TAC CAMERA INSTALLATION ERROR Check Front Windshield Camera is mounted correctly.
    Attempt calibration again Check DTCs.
    Update Front Windshield Camera Calibration Perform diagnosis and replace Front Windshield Camera if required
    TAC CALPARAMS OOR ERROR Check targets are positioned correctly.
    Check adequate illumination but ensure no glare/reflection off targets.
    Attempt calibration again
    Check DTCs.
    Update Front Windshield Camera Calibration Perform diagnosis and replace Front Windshield Camera if required
    TAC TARGET NOT FOUND ERROR
    TAC ROLL ANGLE TOO LARGE ERROR Camera is detecting a roll angle between camera and targets.
    Check targets are level and positioned correctly. Check Front Windshield Camera is mounted correctly.
    TAC FOE OUT OF TOLERANCE ERROR Camera is detecting a pitch/yaw angle between camera and targets.
    Check targets are level and positioned correctly. Check Front Windshield Camera is mounted correctly.
    TAC PARAMS LOAD FAILED ERROR Check Front Windshield Camera is mounted correctly.
    Check targets are level and positioned correctly.
    TAC BAD PARAMS DISTANCE ERROR Check targets are level and positioned correctly. Check DTCs.
    Update Front Windshield Camera Calibration Perform diagnosis and replace Front Windshield Camera if required
    TAC BAD PARAMS SQUARE SIDE SIZE ERROR
    TAC BAD PARAMS YAW ERROR
    TAC BAD PARAMS HORIZON ERROR
    TAC TOO MANY TARGETS ERROR Ensure correct targets are being used.
    Ensure background area behind target is free from complex shapes and markings
    TAC RUN ERROR Mobileye Check DTCs.
    Update Front Windshield Camera Calibration Perform diagnosis and replace Front Windshield Camera if required
    TAC2 STATUS NOT AVALIABLE Check Scan Tool Diagnostic Tool Software is updated