volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

With Manufacturer's Scan Tool|Page 3667 > < With Manufacturer's Scan Tool|Page 3665
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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-.

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