A4 V6-3.0L (AVK) (2004)
System in Basic Adjustment 71
->
Reed clos fine leak Messg. ENDSyst.n OK
-
The system has recognized a fine leak (dia. greater than 1 mm).
Display will appear as shown
System in Basic Adjustment 71
->
Reed clos Irg leak Messg. ENDSyst.not OK
-
The Leak detection system has recognized a large leak.
-
Press -> button.
If system has recognized a fine or large leak
-
Check tank system and tank ventilation system for leaks.
-
Perform tank leak diagnosis again.
Checking resistance (all vehicles)
-
Switch multimeter Fluke 83 to resistance and connect as follows:
Vehicles manufactured > approx. 05.97
Leak detection pump
Specified value
terminal
1+3
640 to 720 Ohms
2+3
17.5 to 27.5 Ohms
Vehicles manufactured approx. 05.97 >
Leak detection pump
Specified value
terminal
1+3
640 to 720 Ohms
2+3
15 to 17 Ohms
If you measure values other than specified values:
-
Replace Leak Detection Pump (LDP) -V144.
If you reached specified values:
-
Check voltage supply to electrical connector of LDP.
Checking voltage supply (all vehicles)
NOTE: Voltage supply to the LDP is via the fuel pump relay.
Test condition:
-
Fuse for LDP is OK