volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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Connect hand multimeter VAG1526 to measure resistance between terminals 1 and 3 of Leak Detection Pump -V144- and measure resistance.

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Specification: 640...720 Ohms

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Connect hand multimeter VAG1526 to measure resistance between terminals 2 and 3 of Leak Detection Pump -V144- and measure resistance.

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Specification: 12.5...19.5 Ohms

If specifications are not obtained:

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Replace Leak Detection Pump (LDP) -V144-.

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Read out Readiness code:

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Readiness code must be reset if ECM is subject to low voltage with ignition ON or if DTC memory was erased.

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