Replacing Switch Console
- Connect the Tester to the vehicle and start it. Switch on ignition.
- Select the vehicle type if required.
- Select the Air conditioning control unit in the overview. The message "Create Vehicle Analysis Log (VAL)?" appears. Press F11 to continue.
- Coding/programming must be selected.
- Automatic coding must now be selected. Press F12 to start.
- The Tester displays the message Coding completed successfully.
- Select Drive links/checks and press F12.
- Select Servo motors and press F12.
- Automatic addressing of LIN servo motors must be selected. Press F12 to continue and then press F8 to start.
- Teach LIN servo motor limit stops must be selected. Press F12 to continue and then press F8 to start.
- Air-conditioning compressor
must be selected. Press F12 to continue.
Information
- The Compressor run-in function can only be carried out when the engine is running.
- Preconditions for compressor run-in can be found in > 9900 - PIWIS Tester 3 by selecting the Compressor run-in function in the air conditioning control unit and pressing F1.
- Specifications in > 9900 - PIWIS Tester 3 have priority and take precedence over the specifications in the description.
- If the Compressor run-in function cannot be activated, then the Reset compressor run-in function must be carried out first.
- Then start the Compressor run-in function again.
- Start the engine.
- Reset compressor run-in
must now be selected. Press F12 to continue and then press F8 to start.
- 13.1 A compressor run-in remaining time of 150 s must be set.
- Compressor run-in must be selected. Press F12 to continue and then press F8 to start.
- Read out fault memory and erase it if necessary.
- Check the function of the switch console during a test drive and read out the fault memory.