Test sequence
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1999 Volkswagen Jetta, 1998 Volkswagen Jetta, 1997 Volkswagen Passat, 1997 Volkswagen Jetta, and 1996 Volkswagen Passat. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect 2-pin harness connector -1- from EGR part throttle switch -F166-.
- Measure resistance between EGR part throttle switch terminals using multimeter.
- Switch open (pump lever on idle speed stop): infinity ohms (open circuit)
- Switch closed (pump lever toward WOT): 0 ohms