What ecu are you going to use?
If you use the 5S one, you need that O2 sensor. NOT the 3SGTE one.
Check this out.
http://celicatech.com/forums/showthread.php?t=6290
If you use the 5S one, you need that O2 sensor. NOT the 3SGTE one.
Check this out.
http://celicatech.com/forums/showthread.php?t=6290