audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

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Fuel supply, gas operation > < Working on vehicles with start/stop system

A5

Test conditions
Test conditions
l  Battery in standby mode ("Stützbetrieb") → Electrical system; General information; Rep. gr.27.
l  Fuel pump fuse OK → Current flow diagrams, Electrical fault finding and Fitting locations.
l  Fuel pump relay -J17- OK → Current flow diagrams, Electrical fault finding and Fitting locations.
l  Fuel pump control unit -J538- OK; checking in Guided Fault Finding → Vehicle diagnostic tester.
l  Fuel tank at least 1/4 full.
l  Fuel filter OK.
l  Fuel lines OK (not obstructed or crushed).
   

Fuel supply, gas operation > < Working on vehicles with start/stop system