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- Transmission and Drivetrain (https://www.subaru-svx.net/forum/forumdisplay.php?f=67)

- - Ecu Speed Pin (https://www.subaru-svx.net/forum/showthread.php?t=36213)

hexadec0079

11-20-2006 10:08 PM

Ecu Speed Pin

Installing my speed meter. I found a Ecu pin diagram. The speed meter needs a "speed signal wire" will Vehicle speed sensor 2 (B60, 11) work. Looks like the correct 5v signal, just checking.

http://www.subaru-svx.net/forum/atta...6&d=1058575037

b3lha

11-21-2006 07:34 AM

Yes. That's the one.

It's a 5 volt square wave, the frequency of which is proportional to your speed. Four cycles per revolution of the sensor IIRC.

Speedklix

11-21-2006 07:38 AM

Quote:

Originally Posted by b3lha

Yes. That's the one.

It's a 5 volt square wave, the frequency of which is proportional to your speed. Four cycles per revolution of the sensor IIRC.

Sounds accurate.

Dessertrunner

11-21-2006 11:46 PM

The speed sender on the gear box works by pulling the voltage supplied low not by supply a wave form from 0 to 5V as was thought before. If you mesure the voltage on the ECU it has power. DOn't know if that helps.
Tony

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