Audi Workshop Service and Repair Manuals
HOME
FEATURES
MENU
INDEX
ABOUT US
Contact corrosion! >
< Rules for cleanliness when working on fuel supply system and injection system
A1
Power unit
Fuel supply system, diesel engines / Technical data
General repair instructions
Test conditions
Test conditions
Test conditions
l
Battery voltage at least 12.5 V.
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).
Power unit
Fuel supply system, diesel engines / Technical data
General repair instructions
Test conditions
Contact corrosion! >
< Rules for cleanliness when working on fuel supply system and injection system