S6 V8-4.2L (BBD) (2004)
Air Flow Meter/Sensor: Testing and Inspection
With Manufacturer's Scan Tool
Mass Air Flow (MAF) sensor -G70-, checking
Test conditions
-
Coolant temperature at least 80 degrees C.
Electrical consumers switched off (radiator fan must not run during the check)
-
Air conditioner switched off
-
Fuse for MAF sensor OK
Checking function
-
Connect Vehicle Diagnostic, Testing and Information System VAS 5051 or V.A.G 1551 Scan Tool and select engine electronics control module 1
with "Address word" 01. For this purpose, engine must be running at idle speed.
Indicated on display
Rapid data transfer
HELP
Select function XX
-
Press keys 0 and 4 for function "Introduction of basic setting" and confirm entry with Q key.
NOTE: During basic setting, the Evaporative Emission (EVAP) canister purge regulator valve -N80- is closed and the air conditioning compressor is
switched off by the engine control module.
Indicated on display
Basic setting
Q
Enter display group number XXX
-
Press keys 0, 0 and 2 for "display group number 2" and confirm entry with Q key.
Indicated on display
System in basic setting 2
->
1
2
3
4
-
Check specified results for recorded load.
Display Group 2
If specified value is attained:
-
Press ->key.