TT Roadster L4-1.8L Turbo (AWP) (2003)
Display Group 002
If the specification is obtained:
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Press the <- button to exit from diagnosis function "04 - Basic settings".
Reading Display Group 002
Testing power supply to mass air flow sensor
Requirements for test:
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Fuse for mass air flow sensor OK
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Fuel pump relay OK. Testing. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Component Tests and
General Diagnostics/Fuel Pump (FP) Relay -J17-, Checking and Activating/With Manufacturer's Scan Tool
NOTE: The mass air flow sensor receives its voltage supply via the fuel pump relay.
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Unplug connector from mass air flow sensor.