Performing electrical test

WARNING: This page is about a different car, the 2004 Volkswagen R32. However, it is still accessible from the selected car via links, so may be relevant.

Switch ignition off for all test steps.
Raise vehicle.

Fig 1: Identifying Harness Connector On Rear Final Drive

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Disconnect harness connector at rear final drive.

NOTE:

Portable multimeter V.A.G 1526/A and adapter cables from connector test kit V.A.G 1594/C must be used for testing.
The correct measuring range must be set on the tester before every connection of the adapter cables. Otherwise, components can be damaged beyond repair!