033500 On-board diagnosis (OBD)

WM 033500 On-board diagnosis (OBD)

Tools





Reading out and erasing fault memory

WARNING

Sudden voltage interruption of the power supply to the control unit.

- Damage to control units.

-> During on-board diagnosis, it is essential to guarantee the power supply for the Porsche System Tester. A battery charger with a current rating of at least 40 A must be connected to the vehicle battery.

The PIWIS tester 9718 is connected to the vehicle via a diagnostic socket. The diagnostic socket is located inside the vehicle in the vicinity of the driver's A-pillar below the instrument panel.





Diagnostic socket

1. Start the PIWIS Tester 9718 and follow the instructions on the Tester.
2. Select vehicle type, press >> and start the automatic control unit search.
3. If an asterisk appears in front of the relevant control unit, read out the fault memory and follow the instructions on the Tester.