View Full Version : 2001 A4 1.8t AWM - How does one check ECU to MAF wiring?

08-07-2018, 12:44 PM
I need to check the wiring from the ECU to the MAF.

Does anyone know what pins on the ECU plug pins correspond with the MAF plug pins?

08-08-2018, 06:49 AM
I ended up finding a pin out....5v across one circuit, 12v across the other....wiring seems fine. This car has a 4 wire MAF.