New Beetle Convertible L5-2.5L (BPR) (2007)
Leak Detection Pump: Testing and Inspection
Diagnostic Procedures
Leak Detection Pump, Checking
Special tools, testers and auxiliary items required
‹› Multimeter.
‹› Wiring diagram.
Test requirements
‹› The Leak Detection Pump (LDP) (V144) fuse is OK.
‹› The engine must be completely cooled down. IAT must match ECT within 5 Degrees C in order for the LDP to operate. Let sit overnight if
possible when testing for voltage to the pump motor.
‹› The ignition switched OFF.
Test procedure
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Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Computers and Control Systems/Testing
and Inspection/Scan Tool Testing and Procedures/Preliminary Check
Start diagnosis
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Remove the right rear wheel housing liner. Refer to the Repair Information.
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Disconnect the Leak Detection Pump (LDP) (V144 ) electrical harness connector - 2 -.
Checking internal resistance
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Using a multimeter, check the Leak Detection Pump (LDP) (V144) for resistance as follows: