Adjusting Control Unit For Distance Measuring Sensor

Information 

The PIWIS Tester  instructions 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 on the PIWIS Tester  .

Information 

Before and after fitting the trim cover for the distance measuring sensor control unit, check the following points:

• The holder for the distance measuring sensor control unit must not show any signs of deformation, which may have been caused, for example, by removing or installing the trim cover for the distance measuring sensor control unit. If the holder for the distance measuring sensor control unit is deformed, carefully push it back into shape. 
• If the trim cover is damaged or cracked, replace the trim cover. 
• After fitting the trim cover, check that it is seated correctly and securely. 

1. Connect the Tester to the vehicle and start it. Switch on ignition.
2. Select the vehicle type if required.
3. Select the Distance measuring sensor master control unit in the overview  . Press F12 to continue. The message "Create Vehicle Analysis Log (VAL)?" appears. Press F11 to continue.
4. Maintenance/repairs  must now be selected.
5. Calibration must now be selected. Press F12 to continue.
6. Follow the instructions on the Tester. Press F12 to continue.
7. Follow the instructions on the Tester. Adjust sensor according to specifications on the Tester using adjusting tool if necessary.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Adjusting sensor

8. Repeat the process until the message Adjustment successful appears on the Tester.
9. Fit reflector on the left-hand side of the vehicle and align it with the left sensor. For instructions, see above.
10. Adjust sensor on the left side (slave). For instructions, see above.
11. Read out fault memory and erase it if necessary.
12. Exit the diagnostic application. Switch off ignition. Disconnect the Tester from the vehicle.