A3 L4-2.0L Turbo (BPY) (2006)
Display on VAS 5051B :
-
Tap "005 - Output Diagnostic Test Mode (DTM)" function in selection - 1 - and activate by pressing button.
Display on VAS 5051B :
A -
Output diagnostic test mode waiting, Advancing by switching required
1
-
Engine Component Power Supply Relay
-
Press button repeatedly, until Leak Detection Pump (LDP) V144 is activated.
NOTE: Operating noise of Leak Detection Pump (LDP) is audible at right rear wheel housing.
-
End function "005 - output Diagnostic Test Mode (DTM)" by pressing button.
-
Select "022 - End output" function in selection.
-
Switch off ignition.
If Leak Detection Pump (LDP) for fuel system is not activated (no operating noise audible):
-
Remove Leak Detection Pump (LDP) V144.
Checking internal resistance
-
Connect multimeter for resistance measurement as follows.
Leak detection pump (LDP)
Specified value
Terminal
- 1 - + - 3 -
640 to 720 Ohms
- 2 - + - 3 -
15 to 17 Ohms