General instructions/safety instructions: Notes

The following points must be observed during vehicle diagnosis:

After the battery is connected, volatile memories must be reprogrammed. In the case of radio coding and tuning, the customer must be informed of decoding and the deleted tuner memory.
After the battery has been connected, the instructions in the assembly. Refer to WORK INSTRUCTIONS AFTER DISCONNECTING THE BATTERY .
After troubleshooting or repairs, erase the fault memory with the Porsche System Tester II 9588 and carry out a test drive.
After the test drive, read out the fault memory again with the Porsche System Tester II 9588.

CAUTION: Danger of damage due to improper handling of the battery and the control unit connectors!

Never disconnect battery with engine running.
Never start engine unless battery is connected securely.
Never pull off or push on plug connections for the control modules or other electronic components when the ignition is switched on.