volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Leak Detection Pump (LDP) V144, Checking|Page 6668 > < Diagram Information and Instructions|Page 6665
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Leak Detection Pump: Testing and Inspection
Leak Detection Pump (LDP) V144, Checking

Leak Detection Pump (LDP) V144, Checking

Special tools, testers and auxiliary items required

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

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Test adapter kit V.A.G 1594

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Wiring diagram

Test conditions

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

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The Power Supply Relay (Terminal 30, B+) J317 must be OK, checking

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Ignition switched off.

Test sequence

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Remove right rear wheelhousing liner.

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

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Measure resistance between terminals 1 + 3 of Leak Detection Pump V144.

Specification: 640 to 720 Ohms

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Measure resistance between terminals 2 + 3 of Leak Detection Pump V144

Leak Detection Pump (LDP) V144, Checking|Page 6668 > < Diagram Information and Instructions|Page 6665