volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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Check wiring between test box and connector for open circuit according to wiring diagram.
Terminal 2 + socket 66
Wire resistance: max. 1.5 Ohm

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Check wiring to contact 1 using wiring diagram.

Vehicles from model year 2002 >

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Check wiring between test box and connector for open circuit according to wiring diagram.
Terminal 3 + socket 66
Wire resistance: max. 1.5 Ohm

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Check wiring to contact 1 using wiring diagram.

Continued for all vehicles

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Check wires for short to one another, to vehicle Ground and to battery positive (B+).
Specification: Infinite Ohm

If no fault is detected in the wiring:

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Replace Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) -J248-.

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