New Beetle L4-2.0L (AZG) (2003)
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Connect diode test lamp to the connector terminals of the fuel injector to be checked.
Vehicles with engine code AVH, AZG, BDC
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Connect diode test lamp to the connector terminals of the fuel injector to be checked.
Continuation for all vehicles
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Operate starter and test activation of fuel injector. LED should flicker.
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Switch ignition off.
If LED does not flicker:
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Connect test box to control module wiring harness, connect test box for wiring test. See: Computers and Control Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/With Generic Scan Tool/Test Box, Connecting For Wiring
Test
Vehicles with engine code AEG
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Check wires between test box and 2-pin connector for open circuit according to wiring diagram. Wire resistance: max. 1.5 Ohms