Service & Repair Manual

24-57
Test requirements:
Coolant Temperature at least 80 C.
Electrical consumers switched off (radiator
fan must NOT run during test).
A/C switched off.
Fuse for Mass Air Flow (MAF) sensor OK
Electrical Wiring Diagrams, Troubleshooting &
Component Locations binder
Checking function
- Connect VAS5051 tester or VAG1551 scan tool
and select the control module for engine
electronics using "address word" 01 Page 01-
9 .
Engine must run at idle for this.
Rapid data transfer HELP
Select function XX
When indicated on display:
-
Press buttons -0- and -4- to select "Initiate basic setting" and press -Q-
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