Joey7489

Hello all,

I have a 2002 Acura TL-S with navi. Earlier today I turned my car on and the ac/air blew a constant speed and would not stop, even if I pressed the off button. I turned the car off and then turned it back on and it then worked properly. But now its back to blowing a constant speed again and fu*k*d.


I have been searching google and came up with a few suggestions of people saying its the actual climate control that has to be replaced. But the climate control "unit" would be the entire navigation in this case, correct?

Any opinions on what it maybe?

Karanx7

iTrader: (2)

No, the navigation and the climate control buttons are separate consoles. The navi has some A/C input as well, but I don't believe it would affect the OFF button. If the problem appears every now and then, I would rule out a broken fuse or motor. Hmm, it might be expensive to replace the A/C console, so I would run a HVAC DTC test before replacing anything. Hopefully someone else can offer more experienced advice.

Karanx7

iTrader: (2)

Joey7489

Tried the DTC test by holding the Off and Auto button. I got an intermittent flash between "88" and two underdashes " _ _ " I did not get any letters or numbers other than those... Hmmm....

01tl4tl

thanks to k7 for posting this guide
you are really getting the hang of azine!
no one believes your stated age,,, with your already proven knowledge base~

Joey7489

it was the blower motor transistor/resistor. thanks for the help guys! much appreciated

Karanx7

iTrader: (2)

Yea, it will flash between 88 and your trouble code. The two underline dashes are the code. They both correlate to K&N (lol coincidence).

K= A problem in the air mix control linkage, door, or motor.
N= A problem in the blower motor circuit.

It seems you have already figured out/fixed the "N" problem with the blower motor. Try getting the codes again, and see if anything flashes. If you still get the "K" code, then I can help you with that. It's an easy fix.

Karanx7

iTrader: (2)

If your car doesn't have any codes to display, it won't flash 88 at all. It just won't light anything up at all. So if your holding it for a minute without any response, your good to go!

Thanks! Though I learned almost everything from you lol

mrbustrbrown

karanx7 i still have the k code on my 2000 tl how or what do u do to fix it? thanks in advance

Karanx7

iTrader: (2)

The "K" code is for the heater air mix control. Basically, as you increase the heat, the control motor slightly opens a door from the hot engine bay.

Does your heater work at all? Is there a difference between setting the climate control from a little hot to max hot? When you start the car, do you hear a noise coming from under the passenger side feet compartment?

http://www.youtube.com/watch?v=d2OSIS_aQFg

^Video showing the control motor. If the motor is bad, you can repair it or replace it. It costs ~100 bucks new. There's also a chance that the control arm just got misaligned, and you just need to re install it.

If it is bad, I can show you how to repair it. Most likely, you were going at a high RPM drive, and the heat of the engine caused the motor to get really hot. When it cooled, the gears got really brittle and snapped. It's easy to repair. You just spin the gear around 180 degrees.

mrbustrbrown

heater works no diffrence from max heat or regular heat i either push button on ac or leave off for heat....no ticking noise but my ac blows ice chunks then sometimes it dont recharged it and i think i have issues i either over filled cuz pressure on high side at idle is 300 while low side is normal operational psi car is highly modified headers high flow cat exhaust cai a bunch of stuff but like i said sometimes it blows ice chunks other times it dont compressor kicks on then off then on then off just like that and other times no issues but the code it gave me was the k code and now it wont spit a code out when i hold the buttons....so i dont know radiator is comin out tonite soon as i get off my ass,then a flush and a replacment radiator....dont know if this helps or not but thanks anyway

Karanx7

iTrader: (2)

^ You're going to have to take all the "...." and spread them throughout the giant run on sentence. I can't read that.

mrbustrbrown

heater works, no diffrence from max heat or regular heat, i either push button on ac or leave off for heat....no ticking noise, but my ac blows ice chunks, then sometimes it dont, recharged it,, and i think i have issues, i either over filled cuz pressure on high side at idle is 300, while low side is normal operational psi, car is highly modified ,headers ,high flow cat, exhaust, cai, a bunch of stuff but like i said sometimes it blows ice chunks, other times it dont ,compressor kicks on, then off, then on, then off ,just like that, and other times, no issues but the code it gave me was the k code, and now it wont spit a code out when i hold the buttons....so i dont know, radiator is comin out tonite soon as i get off my ass,then a flush ,and a replacment radiator....dont know if this helps or not, but thanks anyway "let me know if u cant understand what i typed" im so used to texting

Karanx7

iTrader: (2)

Yea, I understand now. Your heater air mix control is messed up. It's probably stuck, so that the A/C can only activate when the control can break free.

Observe the motor in that video to see if it's messed up. As you adjust the temperature, it should move little by little. If it doesn't, then it's broken.

mrbustrbrown

yea it moves,dont know what the hell is going on now it blows cold but lags when its real hot out

oldsaintsfan

Karanx7, I have a 2000 TL. Fan blew constantly but no AC. I ran the troubleshooting and got back codes I and N. Played with some of the connections and relays and now the AC works. My only code now is "N". Fan still blows constantly. Can you offer any ideas on this? I do not have the book above that says to check pages 21 - 31. I"ll send you my email address if you'd like. Thanks in advance

roody322

Karanx7. I have a 2002 Type S with the same issue as Oldsaintsfan. I did the troubleshooting and got codes K, I, and N. I read on previous posts about changing relays and resistors. Is there anywhere I can see how to replace these components or how to get to these components. You seem to be the go-to guy in this thread. Thanks.

01tl4tl

diy section, cabin filter replacement
will take you to the blower motor and its resistor

roody322

i see the blower motor under the cabin filter...but i cant seem to find the resistor

3.2TLc

If you're in the vicinity of the ac cabin filter and blower motor behind the glove box, then the resistor pack is slightly to the left. You'll want to look for a wiring harness and connector. There should be orange/black wires present to this transistor. My wiring actually started to melt and I had to replace the connector and wiring pigtail for the assembly.

roody322

still having trouble finding the transistor. took a pic if someone can help me. thanks in advance.

roody322

ok i found it..Thanks guys for all the help.

mrcombs

K7 - Thanks for the repair tip on the "K" DTC. Worked like a charm. Thankfully, mine was only a misalignment issue because getting that motor completely removed when your stubby phillips head is missing presents a challenge or two... Thanks, again.

TrahanAcurA99

I have done the on board diagnostic test and i am getting the N code, but my compressor kicks on for a few seconds and then kicks off. The disconnectors are plugged in correctly to the blower motor and everything worked yesterday?

3.2TLc

Welcome TrahanAcurA99 !!!

The "N" code indicates a problem within the blower motor's circuit.
Check the #56(40A) fuse in the underhood fuse box. Also the #3(7.5A) fuse in the driver's kick panel fuse box.
There's a good chance that the blower motor's wiring harness connector is shorted.

TrahanAcurA99

I checked both fuses and both fuses not blown...

3.2TLc

Try directly jumpering power to the blower's motor bypassing it's circuit. Be careful !!!

99TL 285k

On my 99TL when I turn the heat on both cooling fans come on, AC does not kick in when set to it. I will try this procedure to see if there are any codes. Thanks

QnzMostWanted

02 TL type S getting error code I. Any direction on fixing this? I searched but didnt seem to find the instructions on fixing it

musiclevelz5

Download a copy of your cars service manual, then you will be able to look up the code and solution for you. I found a free copy for mine but I do not remember what the site is. You can also buy it for $20.

jasonjones1705

I have an 06 TL and I'm getting DTC codes "K" and "L". I know what "K" is does anyone know how to fix "L"

Karanx7

iTrader: (2)

Welcome to AZine. You might want to try the 3G TL subforum, this section is for 2G TLs.

According to this thread, I apparently I knew how to help you 5 years ago. I have no idea what is going on anymore though.

yihbag

I am not sure if I'm having the same problem, my climate control will intermittently lose power like the control light go off, so then my Acura TL '06 will go to full defrost mode (which I assume is a safety default for when you lose climate control). Does anyone have a idea of what might be causing this? The issue has been going on for years, it will be running fine then it will go out and it can be days before it fixes itself. I assume it might be a bad grounding wire to the climate controller, but I'm just guessing haven't diagnosed.