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Home >> Chrysler >> 2009 >> 300 LX >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control System (Service Information) >> MODULE, Adaptive Cruise Control >> Standard Procedure >> Adaptive Cruise Control (Acc) Alignment >> Calibration Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Calibration Procedure

Fig 1: Locating DLC
GC0080234Courtesy of CHRYSLER LLC
  1. Turn the ignition switch to the ON position.
  2. Connect a scan tool to the Data Link Connector (DLC) (1) below the driver side end of the instrument panel (2).
  3. Obtain vehicle information, select ECU View from the Home Screen.
  4. The Scan tool will then show a list of all ECU's available on the vehicle.
  5. Select the ACC Adaptive Cruise Control from the ECU view screen.
  6. The next screen ECU Overview window appears, select the MISC. Functions.
  7. Select the Align ACC sensor and press Start.
  8. Follow the scan tool instructions.
    Fig 2: Adjustment Screw Locations
    GC0080235Courtesy of CHRYSLER LLC
    1 - Horizontal Adjusting Screw
    2 - Vertical Adjusting Screw
  9. "This routine is used to align the ACC sensor. To properly align the system you must have the ACC sensor alignment board positioned properly. See Standard Procedure . Improper setup of the ACC alignment board will affect ACC performance. Press "Next" to continue or "Cancel" to exit."
    Fig 3: Positioning Aiming Board
    GC0095335Courtesy of CHRYSLER LLC
  10. "Performing rough alignment. Ensure the vertical alignment cover is installed on the alignment board, this covers both of the alignment t's on the aiming board. The horizontal adjustment (1) screw is located on upper right corner of the ACC sensor. The vertical adjustment (2) screw is located on the lower left corner of the ACC sensor."
    Fig 4: Aiming Board
    GC0080236Courtesy of CHRYSLER LLC
  11. After rough alignment mode is complete: "Remove the vertical alignment cover. Press 'Next' to continue."
  12. "Performing fine alignment. Ensure the vertical alignment cover is removed from the alignment board. The horizontal adjustment screw is located on upper right corner of the ACC sensor. The vertical adjustment screw is located on the lower left corner of the ACC sensor."
  13. After fine alignment mode is complete: "Clearing internal compensation value."
  14. Final step: "Internal compensation cleared. ACC sensor alignment complete. Press "Finish" to exit."
  15. Remove grease pencil marks from windshield.