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Home >> Porsche >> 2021 >> 911 Targa 4 >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> 91 Radio, On-Board Computer Park Assist -- 992 - 911 CARRERA (992) >> WM, 917025 Calibrating Lane Change Assist >> Calibrating Lane Change Assist

Calibrating Lane Change Assist

NOTE: Voltage drop
  • Irreparable damage to control unit 
  • Damage to control unit 
  • Fault entries in the control unit 
  • Control unit programming/coding is aborted 
  • Malfunctions in the control unit, even during programming 

    → Switch off ignition before disconnecting the control unit.

    → Make sure that the power supply is not interrupted during programming/coding.

    → Connect the battery charger with at least > current 90 A  to the vehicle battery.

Information 

The surface of the calibration board must be clean and free of objects.

Information 

The instructions in the Tester  take precedence, since the description may be different with later Tester releases.

The procedure described here has been structured in general terms. Different text or additional information may appear in the Tester  .

  1. Connect the Tester to the vehicle and start it. Switch on ignition.
  2. Place original remote control (hand-held transmitter) in emergency start tray.
    G15535187Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Emergency start tray

  3. Select the vehicle type if required.
  4. Select the Lane Change Assist, right (master)  control unit in the overview  . Press F12 to continue. The message "Create Vehicle Analysis Log (VAL)?" appears. Press F11 to continue.
  5. Maintenance/repairs  must now be selected. Press F12 to continue.
  6. Calibrate Lane Change Assist  must now be selected.
    1. 6.1 Read and follow the instructions and information on the Tester.
    2. 6.2 Perform calibration of master and slave control units for Lane Change Assist according to menu guidance.
    3. 6.3 The Tester displays the message: Lane Change Assist calibrated successfully.
  7. Read out the fault memory  , correct faults that are stored if necessary and clear the fault memory.
  8. Exit the diagnostic application. Switch off ignition. Disconnect the Tester from the vehicle.