Passat Wagon L4-1781cc 1.8L DOHC Turbo (ATW) (2000)
Leak Detection Pump: Testing and Inspection
Leak Detection Pump (LDP), Checking
Special tools and equipment
-
Multimeter VAG 1526 or Fluke 83
-
Voltage tester VAG 1527B
-
Adapter set VAG 1594
-
Wiring diagram
Electrically checking LDP
-
Disconnect 3-pin connector from LDP -V144-.
-
Connect multimeter to measure resistance between contacts 1 and 3 of -V144-.
-
Specification: 640 to 720 Ohms
-
Connect multimeter to measure resistance between contacts 2 and 3 of -V144-.
-
Specification for engine code AEB: 17.5 to 27.5 Ohms
-
Specification for engine code ATW: 15.0 to 17.0 Ohms
If the specifications are not attained:
-
Replace Leak Detection Pump -V144-.
Checking voltage supply
Conditions
Engine code AEB
-
Fuse 29 must be OK