Golf GL L4-2.0L (AEG) (2001)
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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.