Communication Between Control Module and Porsche System Tester II No. 9588

PSM 5.3 and 5.7

Communication between control module and Porsche System Tester II No. 9588

The following conditions must be met in order to establish communication between the vehicle electrical system control module and the Porsche System Tester II No. 9588:

- Porsche System Tester II No. 9588 connected to data link connector
- Ignition on
- Battery positive voltage [>] 11 V