Ambient Temperature Switch
WARNING: This page is about a different car, the 1997 Volkswagen Passat. However, it is still accessible from the selected car via links, so may be relevant.
- Remove air intake grille from right side cowl. Remove switch from panel on right side of tray area. Place switch in freezer.
- Using a DVOM, check switch resistance. Switch resistance must be infinite (no continuity) at temperature less than 30°F (-1°C). Allow switch to warm temperature to greater than 45°F (7°C). Switch resistance must be zero ohms (continuity). Replace switch if resistance is not as specified.