volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Relays and Modules - Emission Control Systems > < With Generic Scan Tool|Page 4773
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Disconnect 3-pin connector from Leak Detection Pump -V144-.

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Connect hand multimeter VAG1526 to measure resistance between contacts 1 and 3 of -V144
Specification: 640-720 ohms

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Connect hand multimeter VAG1526 to measure resistance between contacts 2 and 3 of -V144 a specification of 17.5-27.5 ohms
Specification: 12.5 to 19.5 ohms

If the specifications are not attained:
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Replace Leak Detection Pump -V144-.

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Check DTC memory.

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Read readiness code.

If the DTC memory has been erased or the Engine Control Module separated from permanent (battery) positive, the readiness code must be generated
again.

Relays and Modules - Emission Control Systems > < With Generic Scan Tool|Page 4773