Diagnosis of Fuel System Leak Detection Pump (LDP) -V144- actuation

WARNING: This page is about a different car, the 2003 Audi RS 6. However, it is still accessible from the selected car via links, so may be relevant.

Touch > key.

Indicated on VAS 5051:

Fig 1: Function Display VAS 5051 - Final Control Diagnosis (Fuel System Leak Detection Pump (LDP) -V144-)

Courtesy of AUDI OF AMERICA, INC.

- Control element test waiting - Selection of next step required

6 - Leak Detection Pump (LDP) -V144-

Touch > key again.

Indicated on VAS 5051:

- Control element test in progress - Selection of next step permitted
- Switching valve in the LDP is actuated (clicks) for approx. 1 minute if--> key is not touched beforehand to select next control element.

If valve is not actuated (does not click):

Check Leak Detection Pump (LDP -V144-:
See LEAK DETECTION PUMP (LDP) -V144-, CHECKING .