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Home >> Porsche >> 2012 >> Cayenne S >> Repair and Diagnosis >> Engine Mechanical >> Starter >> 27 - Starter, Power Supply, Cruise Control (4.8L Non Turbo) -- 92A - Cayenne (92A) >> WM, 278515 Calibrating Control Unit For Distance Measuring Sensor >> Preparation For Adjusting Distance Measuring Sensor

Preparation For Adjusting Distance Measuring Sensor

  1. A battery charger with a current rating of at least 40 A must be connected to the external power feed points.
  2. Read out fault memory using the > 9818 - 2nd generation PIWIS Tester  , create a VAL (> WM 0X03IN CREATING VEHICLE ANALYSIS LOG (VAL) (CAYENNE, CAYENNE GTS, CAYENNE TURBO S, CAYENNE S, CAYENNE S E-HYBRID, CAYENNE TURBO, CAYENNE S DIESEL, CAYENNE (3.0))

    and rectify any faults.

    G16310802Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Diagnostic socket

  3. Adjust vehicles with levelling system (air spring) to normal level*.
    1. 3.1  information: Engine/ignition off, doors closed, lock the vehicle.
    2. 3.2  Wait for 15 seconds (air spring corrects vehicle).
    3. 3.3  Unlock vehicle, open door and leave open during the measurement, switch on ignition.
  4. Remove cover on sensor.
    G16310803Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Removing cover on sensor

    1. 4.1  Release upper cover at two points -arrow-  using > VAS 6933 - Disassembly tool  or alternatively, using door panel release lever (Hazet 799-3).
    2. 4.2  Fold cover forwards and detach at the bottom holder.
  5. Clean sensor and cover using a commercially available cleaning agent.
  6. Fit the front sensors onto the adjustment device, align using the spirit levels and clamp using the wing screws and switch them on (initialise).
  7. The gap between the adjustment device >> > VAS 6430/1A - Setting Device with Reflector  << and the vehicle  must be approx. 120 cm.
    1. 7.1  Position the ACC adjustment device >> > VAS 6430/1A - Setting Device with Reflector  << at a distance of 130+/- 10 cm between the sensor lens  and the mirror face  >> > VAS 6430/3 - ACC reflector mirror  <<.
    2. 7.2  The distance between the left sensor and the vehicle -Bl-  should be identical to the distance between the right spirit level and the >ehide -Br-  .
      G16310804Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Adjustment device setup (shown on the Panamera)

  8. On the adjustment device, move the mirror into the position -2-  in alignment with the marking (-A-  the number 2 on the rotary knob must point towards the vehicle).
    G16310805Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Item 2 of adjustment device

    Information 

    Once the vehicle and adjustment tool are aligned, the vehicle and adjustment tool must no longer be moved.

    • The vehicle is standing on turnplates/sliding plates that are released on one side, allowing the vehicle to be moved. 
    • If the vehicle is moved while taking measurements on the turnplates, the measurement process must be repeated. 
    • If the adjustment tool is moved following alignment, the measurement process must be repeated. 
  9. Release turnplates/sliding plates on one side of the vehicle  .
  10. Open the corresponding menu (use operating instructions for measuring platform)  in order to adjust the distance measuring sensor.
  11. Before starting the adjustment process, use the laser beam -3- at the mirror on the adjustment device (for switching on the laser beam >> see operating instructions for adjustment device) to check that the laser beam strikes the sensor lens. Note:
    1. 11.1  The adjustment device is aligned (positioned) correctly if the laser beam still strikes the sensor lens even after the identical individual toe values have been set.
    2. 11.2  If the laser beam does not strike the sensor lens, the alignment of the adjustment device must be repeated.
      G16310806Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Laser beam -3- at mirror

  12. Align adjustment device at the side:
    1. 12.1  The laser beam of the adjustment device must strike the centre of the sensor lens.
      G16310807Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Aligning adjustment device

  13. Use the adjusting screws -1, 2, 3, 4, 5-  on the adjustment device to level the mirror's spirt/levels -A, B-  .
    G16310808Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Aligning mirror's spirit levels

  14. Use the crank -arrow-  on the adjustment device to adjust the mirror so that the laser beam (for switching on the laser beam >> see operating instructions for adjustment device) strikes the centre of the sensor lens on the vertical line.
  15. Turn the adjustment bar on the adjustment device to the side using the adjustment screw -5- until the green indicator on the adjustment bar is displayed on the measuring platform screen.
    G16310809Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Example of adjustment bar display

    G16310810Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Example of Hunter display

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