volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fuel Injectors For Injection Quantity and Proper Seal, Checking|Page 6124 > < Fuel Injectors For Injection Quantity and Proper Seal, Checking|Page 6122
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Pull connectors (1) off connection (2) of all fuel injectors.

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Use auxiliary wires from VAG 1594 to connect diode test lamp VAG 1527 to connector terminals of fuel injector to be tested.

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Switch on starter and test activation of fuel injector.

LED should flicker.

NOTE:  The LEDs in the test lamp consume very little power and do not go out completely but rather glow a little longer and become brighter between
activations by the Engine Control Module (ECM).

If LED does not flicker:

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Switch ignition off.

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Connect VAG 1598/31 test box to control module wiring harness. Engine Control Module (ECM) is not connected.

Fuel Injectors For Injection Quantity and Proper Seal, Checking|Page 6124 > < Fuel Injectors For Injection Quantity and Proper Seal, Checking|Page 6122