Jetta Sedan L5-2.5L (BGP) (2005)
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