New Beetle L4-2.0L (AZG) (2003)
Leak Detection Pump: Testing and Inspection
With Generic Scan Tool
Check Leak Detection Pump (LDP)
Recommended special tools and equipment
-
VAG 1526 multimeter or VAG 1715 multimeter
-
VAG 1594 connector test kit
-
Wiring diagram
Test requirements
-
The respective fuses of Leak detection pump (LDP) -V144- must be OK.
-
Ignition switched off.
Test sequence
-
Remove rear right wheelhouse liner.
-
Disconnect 3-pin connector of Leak Detection Pump (LDP) -V144- (arrow).
-
Measure resistance between terminals 1 + 3 of diagnostic pump. Specified value: 640...720 Ohms
Vehicles with engine code AEG, AVH, AZG
-
Measure resistance between terminals 2 + 3 of diagnostic pump. Specified value: 12.5...19.5 Ohms