New Beetle L4-2.0L (AZG) (2003)
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Connect test box V.A.G 1598/31 to control module wiring harness. Engine control module is not connected by this action.
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Check wiring for open circuit between test box and 4-pin connector according to wiring diagram.
Terminal 2 + socket 63:
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Wire resistance: Max. 1.5 Ohms
If the specification is obtained:
If there is no malfunction in the wiring:
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Replace Engine Control (ECM).
