Passat Wagon L4-2.0L Turbo (BPY) (2008)
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If any of the specifications are not obtained:
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Replace the Leak Detection Pump (LDP) (-V144-).
If the specified values are obtained:
Checking voltage supply
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Using a Multimeter, check the Leak Detection Pump (LDP) (-V144-)electrical harness connector terminal 3 to Ground (GND) for voltage.
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Operate the starter briefly.
Specified value: battery voltage.
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Switch the ignition off.
If the specified value was not obtained:
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Check the Leak Detection Pump (LDP) (-V144-) electrical harness connector terminal 3 to the Motronic Engine Control Module (ECM) Power
Supply Relay 2 (J670) socket 2/87 for an open circuit or short to Ground (GND).
