Workshop Manuals Factory service & repair Audi
Audi A503 · Power unit
03 · Engine

General repair instructions

Make
Audi
Model
A5
Section
Fuel supply system, diesel engines › Technical data › General repair instructions
Power unitGeneral repair instructions
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).
   

Parts & tools for this job For Audi A5

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