Passat GLS 4Motion V6-2.8L (ATQ) (2002)
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Connect V.A.G 1527 voltage tester to terminals 2 + 3 of connector.
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Operate starter and test ignition signal from Engine Control Module (ECM).
LED should flicker.
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Repeat test between terminals 2 + 4 and 2 + 5.
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 AHA
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Check wires between test box and 5-pin connector for open circuit according to wiring diagram.
Terminal 3 + socket 71
Terminal 4 + socket 78
Terminal 5 + socket 70
Wire resistance: max: 1.5 Ohms
Vehicles with engine code ATQ
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Check wires between test box and 5-pin connector for open circuit according to wiring diagram.
Terminal 3 + socket 102