EA82 efi AFM terminology

General Subaru Talk - Media / News / Stories ...
Post Reply
User avatar
steptoe
Master Member
Posts: 11582
Joined: Thu Oct 06, 2005 10:00 am
Location: 14 miles outside Gotham City

EA82 efi AFM terminology

Post by steptoe » Thu Jul 05, 2007 10:37 am

wiring connections on three plug ecu flap style afm has terms US, UFIX and UB and GROUND. I understand GROUND, what is the rest ? resitance type ???

User avatar
Gannon
Senior Member
Posts: 4580
Joined: Sat Nov 05, 2005 10:00 am
Location: Bowraville, Mid Nth Coast, NSW

Post by Gannon » Thu Jul 05, 2007 6:58 pm

This is only a guess
There has to be a power supply, so i assume UB
(sometimes the positive supply is called B+)

There must be a signal, so US

UFIX may be either for self calibration or even an air temp sensor?
Current rides: 2016 Mitsubishi Triton GLS & 2004 Forester X
Ongoing Project/Toy: 1987 RX Turbo EA82T, Speeduino ECU, Coil-pack ignition, 440cc Injectors, KONI adjustale front struts, Hybrid L Series/ Liberty AWD 5sp
Past rides: 92 L series turbo converted wagon, 83 Leone GL Sedan, 2004 Liberty GT Sedan & 2001 Outback
------------------------------------------

Post Reply

Return to “Subaru Chat”