Volkswagen Golf/Jetta 2 manual

Throttle valve switch - testing
Fuel and exhaust systems - K-Jetronic fuel injection - 16 valve engines / Throttle valve switch - testing


1 Pull the wiring connector from the throttle valve switch.

2 Using an ohmmeter, check that with the throttle closed there is zero resistance between terminals 1 and 2 but a reading of infinity between terminals 2 and 3. With the throttle open, the readings should be reversed (see illustration).

6.2 Throttle valve switch connector terminals
6.2 Throttle valve switch connector terminals

See text for terminal identification

3 To adjust the switch, insert a 0.10 mm feeler blade between the throttle lever and stop (see illustration), then loosen the screws and move the switch towards the lever until the contacts are heard to click. Tighten the screws on completion and remove the feeler blade.

6.3 Throttle valve switch adjustment
6.3 Throttle valve switch adjustment


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