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Old 04-14-2009, 05:30 PM #16
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Re: A/C light flashing

Quote:
Originally posted by Ramidean
I have a 2006 with 32k miles and it started flashing. I have yet to check the part number but anyone here with an 06 run into the same problem? I would think that the part is different for the model year and it could've just gone bad? Dealers here in Germany are backlogged and I can't get an appt for at least 3 weeks. I may have to suck it up and replace the part myself once I've confirmed the part number.
Take it out. Tap it on a solid surface a few times and stick it back in. If it works it is the relay, no matter what part number you have.
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08 4x4 Salsa Red SE V-6 Daystar 2.5/1.5", 265/70 Revo 2s, SpiderTrax. Traded-in on 09/14/11 W/55k miles for 08 Sequoia 5.7L
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Old 01-31-2010, 04:04 PM #17
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The a/c light is blinking on my 2003 4runner as well. I just called the dealership and was informed that if I do need to replace the magnetic relay switch, the repairs would cost up to $1100 since it's no longer under warranty . That seems quite unreasonable! Are they serious??
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Old 01-31-2010, 05:00 PM #18
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Check out this thread. Order the relay mentioned on page 6 from Digikey. I ordered 2. Less than $15 shipped. Arrived in less than a week. I broke off the center of 3 pins. It works perfect!!! Sure beats $1100!!! You can also try the tap on a hard surface trick. Mine lasted over 10 months longer that way. If it works it is the relay only. If it doesn't still replace the relay. You will only be out less than $10.

http://www.toyota-4runner.org/proble...lashing-6.html

See pic with pin broken off.
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A/C Light Blinking on 2003 LTD-relay-jpg 
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08 4x4 Salsa Red SE V-6 Daystar 2.5/1.5", 265/70 Revo 2s, SpiderTrax. Traded-in on 09/14/11 W/55k miles for 08 Sequoia 5.7L

Last edited by NCSCOTT; 01-31-2010 at 05:12 PM.
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Old 03-30-2010, 10:40 AM #19
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Dealer ripoffs on this AC relay problem are unbelievable

Some great advice by NCSCOTT above. See my link (here) discussing my AC problem history. I plan to get the Digi-Key relay soon.
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Old 05-19-2010, 09:07 PM #20
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I recently had this exact problem, and thanks to the forum I fixed my A/C for 65 bucks and 20 seconds of time. The relay is cheap and easy to replace.

If this is your problem, all you need is the replacement part and about 30 seconds of time to swap them out.

Good luck,

V8
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Old 07-08-2010, 08:29 PM #21
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Great to have this site to do some background checking. I ran into the same A/C problem as already described. Flashing A/C light on the dash, with the A/C blowing cold air but then kicking out after a bit.

Replacing the relay made sense as a first step and easy for a diy'er.

Called my local Toyota dealer to get a part quote - $120 CAN plus taxes. Yikes!

I like to replace with oem parts, so searched on eBay and found a reputable U.S. based seller - got the relay for less than half the price than my local dealer (and that was with shipping included).

After relay replacement (with the grey 90987-02028) the A/C works great. And it may be even blowing colder than before (although that could be my imagination).

Again, this site is a great resource!
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Old 11-22-2010, 07:45 PM #22
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A/C relay

Followed other's advice. Found the magnetic clutch relay;took it out and knocked it on workbench. I put it back in and the A/C works good so far. Thanks for the advice!! Saved me some money! Don't have to deal with the dealership!!
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Old 01-10-2011, 11:31 PM #23
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Fixed mine too

had the infamous blinking AC light on a 2004 with 122k miles, used google and found this great thread and forum. i looked under the hood and discovered i had the old (gray) relay, so i ordered the right part # from a company on ebay for $35 incl 2nd day shipping. happy to say that it fixed my problem. actually somewhat impressed that mine lasted 7 years and 122k miles- seems a bit longer than others on the thread.

dealer was charging $88 for same exact part.

thanks to all on this forum for the help.
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Old 04-12-2011, 03:47 PM #24
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Blinking A/C light, and A/C fixed.

Thanks to this thread, my 2003 4Runner with 125k miles is all better! Only $26.69 at Napa and 2 minutes of time.
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Old 04-12-2011, 05:41 PM #25
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A/c Light flashing, new relay switch didn't work.

Put in a new relay switch from advance auto ($15) A/c still didn't engage. Swapped out that relay with the fog light relay, fog lights still worked, a/c didn't engage.

"Jumped" the compressor lock switch on the front by the radiator, still a/c didn't engage.
Fuses are all good.

System is full of freon, I just filled it up myself, pressure is normal. Any ideas/suggestions of what else to try?
Thanks in advance.

Last edited by cpetrice; 04-12-2011 at 05:46 PM. Reason: added information
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Old 06-20-2011, 12:22 PM #26
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Quote:
Originally Posted by Iowa4Runner View Post
Check the relay circled in the picture below, labeled MG CLT on the underside of the relay box cover. If it's white with 90987-02022 stamped on the side, that's likely the problem.

Replace it with part number 90987-02028.
I feel like quite a genius thanks to this forum. Ordered the part, $69 bucks shipped. and in the meantime I switched out my fog light relay so I now have AC. Worked great! I live on an island so DIY is key. Thanks!
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Old 07-06-2011, 07:31 PM #27
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not the relay

Okay, so what if the light's blinking and it's NOT the relay? Thanks
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Old 07-06-2011, 07:33 PM #28
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I got the relay from O'Rilley's (sp?) for 15 bucks, Auto Zone had it for 15 also. Read the posts, try everything and try another dealer, that one sounds whacked, but i never trust the dealers anyway!
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Old 07-07-2011, 10:02 AM #29
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Quote:
Originally Posted by grace505 View Post
Okay, so what if the light's blinking and it's NOT the relay? Thanks
Have you tried a few different relays? Your part may be bad. I would try a few and do a few more searches on alternative problems before taking it in to a dealer or other mechanic.

If it is your compressor, it will be expensive, but you can also ask your mechanic if there are any "reman" or remanufactured parts that he could use instead of new. They will typically be about 1/2 to 2/3 of the cost of new Toyota parts.

You may get lucky and find a mechanic who could get you some salvaged parts too. Those will be parts from wrecked trucks, but can be a great deal if you search them out personally or pay a shop a small fee to do it.
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Old 07-09-2011, 03:38 PM #30
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Well i first tried all the identical relays in the box in that spot, none worked. Next tried the hitting thing on the concrete, didn't work. That same relay works in other spots, but does that necessarily mean it's NOT the relay? Is there something special about the 02028 part from the dealer that is worth spending the 73.81 on? I bought a replacement for nine dollars from O'Rielly's and it didn't work in that spot but worked in a different spot. A lot of ppl say that the 02022 and 02028 part numbers both cross ref to the same part in their store (Auto Zone, NAPA) so i don't know if it's the right part. I also tried replacing the air cabin filter, which some ppl have said worked for them, but didn't work for me. Thanks for the info on the compressor, my mechanic said he doesn't know and to take it to the stealer but i DON'T WANT TO, i'm very spoiled with my HONEST mechanic and don't trust anyone else!! Oh, well.
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