Replacing Control Unit For Steering Column Adjustment
WARNING: This page is about a different car, the 2020 Porsche Panamera, 2019 Porsche Panamera, 2018 Porsche Panamera, and 2017 Porsche Panamera. However, it is still accessible from the selected car via links, so may be relevant.
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 Front-end electronics 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 successful.
- Maintenance/repairs must now be selected.
- Select Teach steering column adjustment and press F12 to continue.
- Read the warnings displayed on the Tester.
- Start the Teach steering column adjustment function by pressing F8.
- When all end stops have been set, the Tester displays the message: Procedure completed successfully . Press F12 to continue.
- Go back to the overview .
- Read out the fault memory and delete any fault entries.
- Exit the diagnostic application and switch off ignition. Disconnect the Tester from the vehicle.
- Carry out a function test.