volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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Use multimeter and adapter cables to measure voltage supply between terminals 1 + 6 of the disconnected connector.

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Switch on ignition. Specified value: at least 11.5 V

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Switch ignition off.

If there is no voltage:

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Check wire between 6-pin connector terminal 6 and Motronic Engine Control Module (ECM) Power Supply Relay -J271- for open circuit
according to wiring diagram. Wire resistance: max: 1.5 Ohms

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Check wires between 6-pin connector and Ground (GND) for open circuit according to wiring diagram.
Terminal 6 and Ground (GND)
Wire resistance: max: 1.5 Ohms

If there is no malfunction in voltage supply:

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Check activation.

Checking activation

CAUTION:  Do not touch ignition coil connecting parts or adapter cables during the following test.

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Remove fuse 32 from fuse holder.

NOTE:  By removing fuse 32, voltage supply to the fuel injectors is interrupted.

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