volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fuel Injectors For Leaks and Quanity Injected, Checking|Page 3658 > < Fuel Injectors For Leaks and Quanity Injected, Checking|Page 3656
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Connect VAG1527 voltage tester to connector terminals of fuel injector to be tested using cables from VAG 1594.

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Operate starter and check activation for fuel injector.
LED must flicker

If the LED does not flicker:

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Switch off ignition.

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Remove inner plenum chamber cover, left.

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Connect VAG 1598/31 test box to control module wiring harness. Motronic Engine Control Module (ECM) -J220- is not connected by this action.

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Check wiring between the test box and 2-pin connectors for open circuit, short circuit to Ground (GND) or positive using Electrical Wiring
Diagram:
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Fuel injector 1: terminal 2 + socket 96

Fuel Injectors For Leaks and Quanity Injected, Checking|Page 3658 > < Fuel Injectors For Leaks and Quanity Injected, Checking|Page 3656