Golf GL L4-2.0L (AEG) (2001)
If voltage supply and wires are OK:
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Replace Motronic Engine Control Module (ECM) -J220-
Checking voltage supply and wiring to control module
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Connect multimeter to the following connector terminals for voltage measurement.
Vehicles with cruise control: Terminal 2 + 5
Vehicles without cruise control: Terminal 4 + 7
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Switch ignition on. Specified value: at least 4.5 V
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Switch ignition off.
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Connect multimeter to the following connector terminals for voltage measurement:
Vehicles with cruise control: Terminal 2 + 6
Vehicles without cruise control: Terminal 3 + 7
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Switch ignition on. Specified value: at least 9.0 V
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Switch ignition off.
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Connect test box to control module wiring harness.
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Check wires between test box and 8-pin connector for open circuit according to wiring diagram.
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Vehicles with cruise control:
Terminal 1 + socket 74