volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Diagram Information and Instructions|Page 4360 > < Diagram Information and Instructions|Page 4358
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Leak Detection Pump: Testing and Inspection

Leak Detection Pump (LDP), Checking

Recommended special tools and equipment

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V.A.G 1526 multimeter or V.A.G 1715 multimeter

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V.A.G 1594 connector test kit

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Wiring diagram

Requirements

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The respective fuses of Leak Detection Pump (LDP) -V144- must be OK.

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Fuel Pump (FP) relay -J17- must be OK, check.

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Ignition switched off.

Work sequence

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Remove right rear wheelhousing liner.

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Disconnect 3-pin connector of Leak Detection Pump (LDP) -V144- (arrow).

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Measure resistance between terminals 1 + 3 of leak detection pump.

Specified value: 640 to 720 Ohms

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Measure resistance between terminals 2 + 3 of leak detection pump.

Diagram Information and Instructions|Page 4360 > < Diagram Information and Instructions|Page 4358