signal from ecu to coolant level sen., st205, maybe it will do better to post it here Options

[urbandork]

ok so my st205 water pump is hooked up just as it is on the edw except since i didnt have a relay for it so i just ran the wires around the would be relay.

im drawing my power from the cds fuse just like it shows on the ewd and the ground is also ran just like it is on the ewd.

the other three wires from the pump hook up to the corisponing wires on the ea1 connector which feed back into the ecu just like it is on the ewd

the level sensor has been tested and found that it does
close and complete the cuircut

i checked continuity between the ecu and sensor plug and fount that im not getting a signal from the ecu to the sensor......

........ anyone know what kinda signal is sent out from the ecu to the sensor which goes from the sensor (if closed) and to the ground.

[urbandork]

ok so i think im in deep dudu

tonite i got a the relay off of my old 5sfe's efi relay.

i wired it up and found that
one i still got the cel
and two that with a test light i found that before the relay there was power. however power would only go completely through the magnet side of the relay if i grounded the other side of the relay. with it connected to the ecu it would not complete the curcuit.

I think that by running the magnet wire back into the ecu with out the relay being there i fubar'ed something up in the ecu.

what should i do? is there a way to fix the ecu? or do i need another one?

[phattyduck]

OMG.... you have to come over tomorrow night.

It should be easy enough to fake everything (and I have an extra relay, I think).

-Charlie