Replacing Distance Measuring Sensor 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 Tester to the vehicle and start it. Switch on ignition.
- Select the vehicle type if necessary.
- Select the distance measuring sensor master control unit in the overview. Press F12 to continue. Create Vehicle Analysis Log (VAL)? Press F11 to continue.
- Select Coding/programming.
- Select Automatic coding.
Press F12 to continue.
- 5.1 Tester displays message: Coding was completed successfully.
- Go back to the Overview.
- In the Overview , press F7 to switch to the Additional menu.
- Select Commission component protection.
Follow instructions and procedure.
- 8.1 Follow the instructions and notes on the Tester.
- 8.2 Teach component protection in accordance with menu guidance.
- 8.3 Tester displays message: Component protection taught successfully.
- Read out all fault memories and erase them if necessary.
- Exit the diagnostic application. Switch off ignition. Disconnect Tester from the vehicle.