Vehicle Damage Warnings

General Instructions/Safety Instructions


The following points must be observed during vehicle diagnosis:
- If the control module is damaged, the complete hydraulic unit with integrated control module must be replaced. When replacing a PSM control module, observe the coding of the control module (vehicle type, transmission type and chassis number) and calibration of the steering-angle sensor.
- The steering-angle sensor must be calibrated for all work on the running gear.
- After troubleshooting or repairs, erase the fault memory with the Porsche System Tester 2 and carry out a test drive.
- 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.