Coding (Programming) Control Unit
NOTE:
Voltage drop
- Risk of irreparable damage to control unit
- Risk of damage to control unit
- Fault entries in the control unit
- Coding in the control unit is aborted
- Malfunctions in control unit, even during programming
→ Prior to disconnecting the control unit, switch off ignition and remove ignition key.
→ Ensure that the power supply is not interrupted during programming.
→ Connect a battery charger with a current rating of at least → Nominal value: 40 A to the vehicle battery.
Information
Follow the instructions on the Tester.
Later versions of the software may display slightly different text or require a slightly different procedure. The instructions you receive from the tester itself take precedence over this description.
- Connect the Porsche System Tester to the vehicle and start the System Tester. Switch on the ignition. [>>] Continue.
- Select Vehicle type, select the menu Special functions , start Vehicle handover and follow the instructions on the Tester.
- Erase all fault memories.
- Using the [>>] key, move from the vehicle type to the list of control units. Perform the automatic control unit search.
- Select the Front end control unit with the cursor keys and press the [>>] key.
- Select Coding with the cursor keys and press [>>].
- Select the version required for the vehicle in question and follow the instructions on the Tester.
- Read out and erase fault memory.
- In the control unit Front end, perform the menu Calibration .
- Check adjustment of headlights and adjust if necessary.