Passat GLS 4Motion V6-2.8L (ATQ) (2002)
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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.