TT Quattro Coupe L4-1.8L Turbo (AWP) (2001)
Air Flow Meter/Sensor: Testing and Inspection
With Manufacturer's Scan Tool
Mass Air Flow (MAF) Sensor -G70-, Testing
Special tools and equipment
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VAG 1526 A
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VAG 1594 A
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VAG 1598/31
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VAS 5051 with VAS 5051/1
Requirements for test:
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Coolant temperature at least 80 degree C
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Electrical consumers switched off (radiator fan must not run during the test)
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Air conditioner switched off
Testing operation
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Connect the vehicle diagnostic, testing and information system VAS 5051, and select the vehicle system "01 - Engine electronics" from the menu.
When doing this the engine should be idling. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Scan
Tool Testing/With Manufacturer's Scan Tool/Scan Tool Connecting and Initial Checks/Connecting VAS 5051/VAG1551 Scan Tool