New Beetle L4-2.0L (BEV) (2004)
If specified values are obtained:
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Connect test box to control module wiring harness, connect test box for wiring test. See: Testing and Inspection/Reading and Clearing Diagnostic
Trouble Codes/Scan Tool Connecting/With Generic Scan Tool/Test Box, Connecting For Wiring Test
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Check wire between test box and 2-pin connector for open circuit according to wiring diagram:
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Vehicles with engine code AEG Terminal 1+socket 48 Wire resistance: max. 1.5 Ohms
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Vehicles with engine code AVH, AZG, BDC Terminal 2+socket 39 Wire resistance: max. 1.5 Ohms
Continuation for all vehicles
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Also check wires for short circuit to each other, to vehicle Ground (GND) and to B+.
Specified value: Infinite Ohms
If no malfunctions are detected in the wires and the resistance values are OK:
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Replace Motronic Engine Control Module (ECM) -J220-.