Operation CHARM: Car repair manuals for everyone.

1.1 - General Instructions/Safety Instructions




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 troubleshooting or repairs, erase the fault memory with the Porsche System Tester 2 and carry out a test drive. Meanwhile, drive the vehicle with different loads and at different speeds so that all shift operations (manual and automatic programme) are switched at least once.
- After the test drive, read out the fault memory with Porsche System Tester 2 again.

CAUTION: Danger of damage
- Never disconnect battery with engine running.
- Never start engine without securely connected battery.
- Never use boost chargers to start the engine.
- Disconnect the negative terminal of the battery before welding work on the vehicle.
- Never pull OFF or push ON the wiring harness plugs of the control modules or other electronic components when the ignition is switched ON.