Coding navigation unit

WARNING: Sudden voltage interruption of the power supply to the control module.

Destruction of the control module.

→ During programming, it is essential to guarantee the power supply for the Porsche System tester. It is essential to connect a battery charger with a current rating of at least 40 A to the vehicle battery.

→ Prior to disconnecting the control module, switch off the ignition and remove the ignition key.

NOTE: The PIWIS tester P 9718 instructions take precedence and in the event of a discrepancy these are the instructions that must be followed. Deviations may occur with later software versions.

The procedure described here has been structured in general terms; different text or additions may appear in the PIWIS tester P 9718 .

NOTE: The procedure described must be applied when a control unit has to be replaced and the tester function Control unit replacement cannot be used.

1. Connect the PIWIS tester P 9718 to the vehicle and start it. Switch on the ignition. >> Continue.

2. Select the vehicle type .

3. Switch to the Special functions menu and perform the vehicle handover using the F8 key.

4. In the Special functions menu, erase All fault memories by pressing >> .

5. Carry out automatic search of control units.

6. Using the >> key, move from the vehicle type to the list of control units.

7. Select PCM 2.1 , Navigation with the cursor keys and press the >> .

8. Select Coding and press the >> .

9. In the menu Coding the PCM code has to be displayed using * .

10. Quit menu, insert navigation CD, switch off ignition and lock the vehicle, then unlock, switch on ignition and load navigation CD.

11. Perform navigation during the test drive and afterwards read out fault memory.