volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Power Supply Relay <--> [Main Relay (Computer/Fuel System)] > < Diagram Information and Instructions|Page 2267
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Measure resistance at terminals using Fluke 83 multimeter and jumper wires from VW 1594 adapter kit.

Resistance between terminals -1- and -2-:
^  3-200 Ohms

Resistance between terminals -3- and -4-:
^  Throttle valve closed max. 200 Ohms
^  Throttle valve open Ohms

If resistance between terminals -3- and -4- is NOT OK:

Check Closed Throttle Position (CTP) Switch (F60)   See: Sensors and Switches - Computers and Control Systems/Closed Throttle Position
Switch/Testing and Inspection

Power Supply Relay <--> [Main Relay (Computer/Fuel System)] > < Diagram Information and Instructions|Page 2267