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Cooling Fan issues
Topic Started: Nov 19 2015, 06:54 AM (133 Views)
Cambo
Stage 2
Hi everyone.
New member here :wave: with an issue with my AE111 Levin cooling fan.
Its constantly operating ever since I removed the A/C from the car.

The Levin is going to be a track car so no need for the A/C. Anyway, it was damaged in a frontal the previous owner had, so I have removed everything in the engine bay.

Traced the wiring from the cooling fan switch to the A/C pressure switch then to the cooling fan relay. There are 4 wires at the A/C pressure switch (light green, light green/black, black/yellow, red/black). The light green wire comes from the cooling fan switch and the light green/black wire goes to the cooling fan relay.

Tried bridging the light green wires together and the other 2 together as well, but the fan still operates.

Can anyone shed some more light on what I need to do for the cooling fan to operate as normal please?
Cheers
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1i1
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NZ Toyota Parts Guy

You only have to bridge the two green wires. Tried it without the other two bridged?
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Cambo
Stage 2
Yeah tried just the 2 green wires joined but no good. Also tried with the other 2 together as well but that didn't help either.
Sparky we use through work suggested fitting a 2A fuse between the 2 green wires. So will try and see what happens.
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Cambo
Stage 2
There seems to be an issue between the base of the fuse box (where the plugs connect to the fuse box) and where the relay connects.
I tried to strip the fuse box apart but couldn't get it completely apart. Got it into 3 different pieces. The connections I have seen so far look OK.
Did adjust the terminals slightly so the terminals make better contact. Has made a difference but it doesn't take much to make it fault again. I suspect vibrations from driving will make it fault.
At least if it faults the fan cuts in, not the other way round.
Will look into getting another fuse box.....
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spooj
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Stage 3
did you have any luck with this?
My fan is always on as well!
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Cambo
Stage 2
I have fitted another fuse box. Initially when I first fitted it, it did the same thing. But it isn't faulting any more. Will be keeping an eye on it though.
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