Passat Syncro Wagon V6-2.8L (ATQ) (2000)
-
Check for breaks in wires between test box and 4-way connector (see wiring diagram).
Terminal 3 + socket 108
Terminal 4 + socket 93
Wire resistance: max. 1.5 Ohms
-
Check wire between test box and terminal 3 of 4-way connector for short to terminal 4 wire and to vehicle ground (see wiring diagram).
Terminal 4 + socket 108
Terminal 4 + vehicle Ground (GND)
Expected value: infinity Ohms
-
Also check both wires for shorts to battery B+.
If no malfunctions are found in wire:
-
Measure resistance at Engine Coolant Temperature (ECT) sensor -G62-, terminals C (signal) and D (Ground (GND)).