volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Leak Detection Pump, Evaporative System|Testing and Inspection|Page 3517 > < Leak Detection Pump, Evaporative System|Testing and Inspection|Page 3515
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resistance: max. 1.5 Ohms

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Additionally check wires for short to one another. Specification: Infinity Ohms

If no wiring fault is detected and voltage was present between contacts 3 and Ground:

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Replace the diagnosis pump -V144

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Check DTC memory:

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Read out readiness code:

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If the DTC memory has been erased or the engine control module separated from the permanent positive, the readiness code must be generated
again.

Leak Detection Pump, Evaporative System|Testing and Inspection|Page 3517 > < Leak Detection Pump, Evaporative System|Testing and Inspection|Page 3515