Checking internal resistance

Fig 1: Locating 3-Pin Connector At Fuel System Leak Detection Pump V144

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Connect hand multimeter V.A.G 1526 A or V.A.G 1526 B for resistance measurement as follows.

If specifications are not obtained:

• Replace Leak Detection Pump (LDP) V144 → Leak Detection Pump (LDP) V144 , removing and installing .

If specified values are achieved:

• Check voltage supply of leak detection pump Checking voltage supply  .