Replacing Route Detection Control Unit
WARNING: This page is about a different variant/trim than selected.
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/coding
→ 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 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.
- Connect the Tester to the vehicle and start it. Switch on ignition.
- Select the vehicle type if required.
- Select the Route detection control unit in the overview. Press F12 to continue. 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 continue.
- The Tester displays the message: Coding completed successfully. Press F12 to continue.
- Go back to the overview.
- Read out all fault memories and erase them if necessary.
- Exit the diagnostic application and switch off ignition. Disconnect the Tester from the vehicle.