Eurovan V6-2800cc 2.8L (AES) (2000)
Leak Detection Pump: Testing and Inspection
Leak Detection Pump (LDP), Checking
Special tools and equipment
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Fluke 83 Multimeter
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VAG 1527 B Voltage tester
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VW 1594 Adaptor kit
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Wiring diagram
Function test
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Initiate Output Diagnostic Test Mode (DTM) and select EVAP Canister Purge Solenoid Valve -N115-
During DTM, Control Module for Fuel System Diagnosis -J490- and Leak Detection Pump (LDP) are triggered. By touching LDP you can feel whether
the pump works.
Electrical test
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Disconnect 3-pin connector -1- from LDP.
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Switch Fluke 83 multimeter to resistance range.
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Connect multimeter between terminals 1 and 3 of LDP.
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Specification: 640 to 720 Ohms
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Connect multimeter between terminals 2 and 3 of LDP.
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Specification: 17.5 to 27.5 Ohms.
If specifications not obtained:
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Replace Leak Detection Pump -V144-.
Voltage supply, checking
Requirement