volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

With Manufacturer's Scan Tool|Page 4771 > < With Manufacturer's Scan Tool|Page 4769
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Remove fuse No. 32 from fuse holder.

NOTE:  Removing fuse 32 interrupts the voltage supply to the injectors.

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Connect VAG1527B voltage tester with adapter cables from VW1594 to
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Terminals -1- + -4- (ignition output 1), and

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Terminals -3- + -4- (ignition output 2) of disconnected harness connector.

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Operate starter and check ignition signal from Engine Control Module (ECM).
LED must flicker.

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Turn off ignition.

If the LED flickers and there is voltage between terminals -2- + -4-:

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Replace ignition coil -N-, -N128-.   See: Service and Repair 

If the LED does not flicker:

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Check wiring.

Checking wiring

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Remove wiper arms and plenum chamber cover.

With Manufacturer's Scan Tool|Page 4771 > < With Manufacturer's Scan Tool|Page 4769