Climate control wiring Options

[trdproven]

thats a lot of work but Im sure itll pay off once it is working right

[Cavegod]

yep just wish somebody with Climate control would check 2 wires for me

[Rusty]

ok i'll try but I aint taking all my dash apart, what wires and where?

[Cavegod]

Cheers Rusty, you will need to remove the trim around gearstick (just unclips at the back then the front, the trim around heater and stereo 2 screws at the bottom then just pull from bottom, remove the heater controls 2 screws and unclip the plugs at the back.

the wires i need to know about are as follows.

behind the heater control and lower down are three multiplugs attached to the heater box from left to right they are Black, white, grey. may be opposite if left hand drive.

on the black plug on the bottom row there is an orange wire i need to make sure this has continuity to the orange wires on the blue plug above and to the right(RHD) of the centre vents.

on the middle white plug i need to know if the green/red wire bottom row next to a grey wire has 12v with ignition off and also the grey wire next to it has 12v with ignition on and 0v with ignition off.

many thanks if you do this for me.

[Cavegod]

right all done and wired in just need to refill the gas and voila ice cold air for our tropical uk climate!!

[Culpable04]

right all done and wired in just need to refill the gas and voila ice cold air for our tropical uk climate!!

Nice, now can you tell us a quick run down on this ?

what were those to wires ? where do they go ? so we can have this documented and make it easier for those who may try it later.

[Cavegod]

once you plug all the sensors and wiring plugs in you are left with a few wires

white/black x 2 these are earthsanywhere on the car body work

grey ignition live

yellow/red pressure sensor connect to the cars wire for the snesor.

orange- speed sensor, block connector in middle of dash behind and above the central vent, its a blue block connector on the right

green/red- battery live

blue/yellow relay earth for the fans/compressor just unclip both the cars and the CC wires discard the cc wire and push the cars wire into the block connector

blue/white heater relay same here just use the cars wire and swap it for the cc wire

thats it the rest of the wires x6 go to the thermistors

then just plug every thing else in.

hope this helps!

[BloodyStupidDave...]

Congrats on getting it all working. I started an ac to climate conversion on mine some time ago and have everything working except the actual aircon now. Must revisit it at some point and figure out the last step.

This post has been edited by BloodyStupidDavey: Aug 16, 2009 - 5:44 AM

[Rusty]

Cheers Rusty, you will need to remove the trim around gearstick (just unclips at the back then the front, the trim around heater and stereo 2 screws at the bottom then just pull from bottom, remove the heater controls 2 screws and unclip the plugs at the back.

the wires i need to know about are as follows.

behind the heater control and lower down are three multiplugs attached to the heater box from left to right they are Black, white, grey. may be opposite if left hand drive.

on the black plug on the bottom row there is an orange wire i need to make sure this has continuity to the orange wires on the blue plug above and to the right(RHD) of the centre vents.

on the middle white plug i need to know if the green/red wire bottom row next to a grey wire has 12v with ignition off and also the grey wire next to it has 12v with ignition on and 0v with ignition off.

many thanks if you do this for me.

right first off sorry for not getting back to you sooner, I had a look around, I tryed to followed the wires (which go up in one lot) and I cant see where they go
got a couple of pictures dont think they'll help you though, but from the looks of your previous post you might already have it.

(sorry the loose wires, USB wire & that funny looking black right angle thing are a plug and play for my headunit)




http://www.toyodiy.com/parts/p_J_1996_TOYO...MVF_8715.4.html
just wondering did you have to wire those up or are they not part of it?




I also found the bulb I need to replace for the fan speed (lower left bulb) I went on toyodiy 84999-10530 that seem right to you guys?

This post has been edited by Rusty: Aug 14, 2009 - 8:12 PM

[BloodyStupidDave...]

from the looks of your previous post you might already have it.

Yes I was under that impression also. Please let me know if you need any further diagnositcs or wires tracing. I have the centre console and glove box removed at the moment so would be very easy for me to do.

[Cavegod]

cheers rusty but by the looks of your climate control it is the wrong type as mine has 2 wiring plugs on the back of it, hence why you could find the wires.

BSD

if your system has the 2 orange plugs then there is only one wire i need to know for sure.

behind the heater control and lower down are three multiplugs attached to the heater box from left to right they are Black, white, grey. may be opposite if left hand drive.

on the black plug on the bottom row there is an orange wire i need to make sure this has continuity to the orange wires on the blue plug above and to the right(RHD) of the centre vents.


on rusty's pictures you can just see the white plug behind the mass of loose wires from his stereo, on the 2 orange plug system there are 3 plugs there.

also the place the orange wire should go is above the stereo and central vents near the windscreen you will see the blue connector block on the right(UK)

[BloodyStupidDave...]

on the black plug on the bottom row there is an orange wire i need to make sure this has continuity to the orange wires on the blue plug above and to the right(RHD) of the centre vents.

It does. The wire runs up to that junction block and has its own pin. There is also a splice in that wire, about 150mm before the blue junction block. The spliced wire runs off to the passenger footwell on my RHD car. I forget where it goes after that but have some notes somewhere if you can't work it out.

on the middle white plug i need to know if the green/red wire bottom row next to a grey wire has 12v with ignition off and also the grey wire next to it has 12v with ignition on and 0v with ignition off.

The grey wire is ACC. It is 0v with ignition off and 12v with the key in the ACC or IG (I) positions. From memory it is N/C with they key in the ST(II) position but that's not imporant. I don't recall if it connects to ACC before or after the cig&radio fuse but could find out for you if needed.

The green/red wire is ECU-B. It is constant 12v and goes to the fused side of the 15A ECU-B fuse. Again, if you want to know exactly where the wire *should* terminate (as oppsoed to just splicing it into any convenient ECU-B wire) let me know and I'll try to find my notes.

Rusty: Yup, you do need all three of those sensors. From previous posts, it sounds like cavegod has them.

This post has been edited by BloodyStupidDavey: Aug 15, 2009 - 8:20 AM

[Cavegod]

Cheers BSD so i have wired it correctly, i just used the easiest 12v perm live i could find.

anyway got the system gassed to day for free (read my thread on ccuk) and i now have ice cold air!!!

thanks to all who have helped me install this system.

next mod is gt4 front end conversion.

[BloodyStupidDave...]

Cheers BSD so i have wired it correctly, i just used the easiest 12v perm live i could find.

anyway got the system gassed to day for free (read my thread on ccuk) and i now have ice cold air!!!

thanks to all who have helped me install this system.

next mod is gt4 front end conversion.

Awesome news! Now, any idea why my air con doesn't work? The light comes on for both the ac and eco positions but I can't hear any relays clicking (not sure if I should). All other functions work.

I have two wires unconnected. There is a little black plug under the aircon blower. Among others, it has a yellow wire and a blue/yellow wire.

I believe the blue/yellow goes to the ECU - but which pin? I think it is either C22.17 [ATS] (if the other end goes to ac amp) or F12.2 [CF] (if other end goes to engine bay).

Where does the yellow wire from that same plug go?

Does the ACA function of the ECU need to be connected to something?

[Cavegod]

with engine running, look at the compressor and see if the centre is stationary? if so press the A/C button and then look and see if it is spinning?

if not, remove the pressure switch plug and connect the two terminals together yellow/red+ purple white does that do the trick?

oh BSD could you tell me where the pink/blue wires goes? it is spliced to the pink/blue wire from the auto amp to the ac amp?

[BloodyStupidDave...]

with engine running, look at the compressor and see if the centre is stationary? if so press the A/C button and then look and see if it is spinning?

if not, remove the pressure switch plug and connect the two terminals together yellow/red+ purple white does that do the trick?

oh BSD could you tell me where the pink/blue wires goes? it is spliced to the pink/blue wire from the auto amp to the ac amp?

The centre is always stationary. Is the pressure switch this? http://img.photobucket.com/albums/v79/cave...hoto-0001-1.jpg I think my wiring colours are different. It is getting too dark to try now so will look at this tomorrow morning.

The pink/blue from the A/C amp goes to the black plug at the bottom of the centre console. The pink/green from the A/C amp also goes to the black plug (adjacent pins). From the black plug the colours change. The wires go to the heater mixer actuator by the driver's left foot (for RHD cars; passenger's left foot on LHD cars).


This post has been edited by BloodyStupidDavey: Aug 16, 2009 - 5:38 AM

[Cavegod]

yep thats the pressur switch just conect the opposite wires together the outer two are to turn the fans of when air con aint fitted. if the centre of the clutch aint spinning there will be no cold air, connecting the pressure switch will cure that problem.

as for the pink/blue it gives a 12v when the econ or ac buttons are pressed. from my wiring i got off the jdm it went to a multi plug and ended there. there was no wire on the other plug just an empty hole where the wire would be.

[BloodyStupidDave...]

as for the pink/blue it gives a 12v when the econ or ac buttons are pressed. from my wiring i got off the jdm it went to a multi plug and ended there. there was no wire on the other plug just an empty hole where the wire would be.

Okay, I'll check it out tomorrow and post an update. Which multi-plug had the hole where the wire should be?

[Cavegod]

dunno will have to look in the morning, i think it was one of the three plugs below the cc unit, the three vertically.

[Rusty]

cheers rusty but by the looks of your climate control it is the wrong type as mine has 2 wiring plugs on the back of it, hence why you could find the wires.

wow so you have 2 sets of wires coming out the back of your control panel? why would you need 2 and is there any difference between mine and yours?