Jetta Sedan L5-2.5L (BGP) (2005)
Leak Detection Pump: Testing and Inspection
Leak Detection Pump, Checking
Leak Detection Pump, Checking
Special tools, testers and auxiliary items required
‹› Multimeter.
‹› Wiring diagram.
Test requirements
‹› The Leak Detection Pump (LDP) (V144) fuse OK.
‹› The ignition switched off.
Test procedure
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Perform a preliminary check to verify the customers complaint. Refer to --> [ Engine Control Module, Replacing ] See: Computers and Control
Systems/Engine Control Module/Service and Repair/Removal and Replacement/Engine Control Module, Replacing.
Start diagnosis
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Remove the right rear wheel housing liner.
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Disconnect the Leak Detection Pump (LDP) (V144) electrical harness connector - 3 -.
Checking internal resistance
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Using a Multimeter, check the Leak Detection Pump (LDP) (V144) for resistance as follows: