audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Leak Detection Pump, Checking, Vehicles With MPI Engine|Page 4778 > < Leak Detection Pump, Checking, Vehicles With MPI Engine|Page 4776
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Check electrical harness connection from terminal - 3 - via fuse to Fuel Pump (FP) Relay (J17) for open circuit according to wiring diagram.

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Repair open circuit in wiring according to wiring diagram.

Checking output wiring

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Connect Voltage Tester (V.A.G 1527B) as follows:

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Initiate output Diagnostic Test Mode (DTM). 

Display on (VAS 5051B):

Leak Detection Pump, Checking, Vehicles With MPI Engine|Page 4778 > < Leak Detection Pump, Checking, Vehicles With MPI Engine|Page 4776