Test requirement

Fig 1: Identifying Fuse Block

Courtesy of VOLKSWAGEN OF AMERICA, INC.

NOTE: Fuse block is located behind access panel at far left end of dash.

Battery voltage must be at least 11.5 Volts.
All electrical consumers such as, for example, lights and rear window defroster must be switched off.
For vehicles with automatic transmission, selector lever must be in position -P- or -N-.
If vehicle is equipped with an A/C system, it must be switched off.
Ground (GND) connections between engine and chassis must be OK.
Coolant temperature must be at least 80 °C; see DIAGNOSTIC MODE 1: CHECK MEASURED VALUES , PID 5, Coolant temperature.