TT Coupe L4-1.8L Turbo (ATC) (2001)
Air Flow Meter/Sensor: Testing and Inspection
Test conditions
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Coolant Temperature less than 80 °C
-
Electrical consumers switched oft (radiator fan must NOT run during test)
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A/C switched off
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Fuse for Mass Air Flow (MAF) sensor OK
Checking function
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Connect VAS5051 tester or VAG 1551 scan tool and select control module for engine electronics using "address word" 01.
-
Engine must run at idle for this.
When indicated on display:
Rapid data transfer
HELP
Select function XX
-
Press buttons -0- and -4- to select "Basic Setting" and press -Q- button to confirm input.
NOTE: During Basic Setting, the Evaporative Emission (EVAP) canister purge regulator valve (EVAP valve - N80 -) is closed and the A/C
compressor is switched off
When indicated on display:
Basic Setting
Q
Input display group number