New Beetle GLS L4-1.8L Turbo (AWV) (2001)
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Connect VAG 1598/31 test box to control module wiring harness. Motronic Engine Control Module (ECM) -J220- is not connected by this action.
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Check wiring for open circuit between test box and connector using Electrical Wiring Diagram.
terminal 3 + socket 39
Wire resistance: Max. 1.5 Ohms
If the specification is obtained:
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Additionally check wires for short to one another.
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Additionally check wiring for short to battery positive or Ground (GND).
If no wiring malfunction is found:
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Replace Motronic Engine Control Module (ECM) -J220-.