On-Board Diagnostic

Tools

The following tools are required for troubleshooting:

Porsche System Tester 2 or commercially available generic scan tool







Special tool 9637







Commercially available digital multimeter







Special tool V.A.G 1315 A/1







Special tool 9160/1








Special tool P 378a with connecting wire 9559







Special tool 9103/2







HC tester







NOTE: For resistance measurements on the components, the special tool 9637 must be connected only to the wiring harness, as the values could otherwise be falsified via the DME control module.