volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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Using multimeter and adapter cables from VW1594, measure supply voltage between terminals 2 + 4 of disconnected harness connector.

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Turn on ignition.
Specified value: min. 11.5 V

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Turn off ignition.

If no voltage is present:

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Check wiring between 4-pin harness connector terminal 2 and relay plate for open circuit according to wiring diagram.
Wire resistance: max. 1.5 ohms

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Check wiring between 4-pin harness connector terminal 4 and Ground (GND) for open circuit according to wiring diagram.
Wire resistance: max. 1.5 ohms

Checking activation

WARNING!  During the following test do not touch the connecting parts of the ignition coils or test cables.

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