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Toyota Camry AC Questions



  • teg1teg1 Posts: 1
    Did you ever get an answer? I have a 1994 camry with the same problem.
  • A/C problems are tricky to diagnose, because may causes lead to similar signs (high- and low-pressure side readings).

    Short of going to a real knowledgeable specialist to get your system analyzed, you can measure the temperatures of the refrigerant lines using an infrared thermometer : Compressor outlet line, line after the condenser, return line.

    You may have moisture in your system : Ice forms at the expansion valve, blocking the system until you stop it and it thaws. You may have a sticking expansion valve. You may also have lint on the radiator's face that reduces air flow - that usually reduces performance, but it is more of a gradual change than an on-off behavior.

    If you don't have the required tools, ask your friends for a local technician who knows what he does. Otherwise, you may end up replacing many expensive parts.
  • I bought a 2007 Camry last week. The left most knob which circulates the air within the car is not working.

    Please tell me what to do.
  • wwestwwest Posts: 10,706
    Your engine is on the verge of overheating. The A/C is automatically disabled if the engine water jacket climbs above normal operating temperature.

    Most likely electric fan(s) or thermostatic switch as/has failed.
  • 210delray210delray Posts: 4,722
    Press the center of the left knob to activate the recirculate feature. The little green light will then go on.

    Press again to return to outside air intake.
  • I hear a peculiar intermittent noise from the AC vents ( I think ) from my 2004 Camry 4-Cyl XLI, which has done 45000 kms. The intermittent noise through the vents sounds like vacuum pulling, though I can't be certain about the exact location of the noise. The AC otherwise works fine. Pl. help.
  • modesfoxmodesfox Posts: 1
    I have a 2003 Camry LE 4 cyl with 71,400 miles on it, and have owned it since new.
    Last week my wife reported the AC not blowing cold and the AC button light blinking. I was just informed by my local Toyota dealer (to which I "had" to take it, according to both the owner's manual and the service tech where I first took it for diagnosis) that I need a new compressor and clutch to get my AC to work again. :mad:
    Is this typical, or a problem Toyota had that year? Is there a TSB or "secret warranty" for this?
    I am disappointed because this is my first Toyota, and I bought it over another Hyundai Sonata because of the perceived better reliability. Between this and the squawking steering column, it has not worked out very well.
    Am I looking at any other "weak link" repairs before I hit 100,000 miles?!! :cry:
    Thanks -- I appreciate any and all input!
  • wwestwwest Posts: 10,706
    IMMHO there is a high probablity that only the A/C clutch has failed or maybe even just so low on refrigerant that the ECU won't run the A/C.

    Take it to an automotive A/C specialist for an educated opinion.
  • I have a 2007 Camry with 31,000 miles. Since about 10,000 miles the A/C fan has behaved erratically. On long trips the air slows and speeds up. At times it seems as if the AC fan gets tired and can't get up to its full speed. It has been in to the dealer 4 times. Each time they could not duplicate the problem and could not find anything wrong. This last time I had to contact the service manager and have him compare my car to another one at the dealership to get my complaint taken seriously. They replaced the air filter($53.00) and have ordered a part called an "A/C accelerator", but it is back-ordered for weeks. I drove another 07 rental today and the air output difference was enormous. Anyone else with this kind of problem or advice?
  • 210delray210delray Posts: 4,722
    Do you have automatic climate control where you set the temperature like a thermostat in your home?

    Or do you have the manual type (3 knobs) where you set the fan speed manually?
  • manual type (3 knobs) where you set the fan speed manually
  • stlpike07stlpike07 Posts: 218
    Does the fan speed change constantly, or when you accelerate and slow down.

    When you accelerate, for lack of a better term, it sends more "juice" or power throughout the vehicle.

    I've noticed on many different cars that when you accelerate, and the rpm's go up, that the speed of the AC fans goes up to the maximum speed.
  • no, there does not appear to be a connection to the accelerator. The air speeds up and slows down even with the cruise on at highway speeds or sitting at idle. It worked fine yesterday but today it is once again speeding up and slowing down. The dealership told me it does not have a resistor but a new thing called an AC accelerator.
  • wwestwwest Posts: 10,706
    What you actually have is a PWM, Pulse Width Modulation, "switching" blower motor driver. Basically the power is switched on and off VERY rapidly and the speed is determined by the duty-cycle, on vs off time, of the pulsing. Except at full speed there is no PWM switching.
  • pktrrmpktrrm Posts: 2
    My 2000 Camry was blowing ice-cold air. Immediately after I changed out one of the headlights it stopped working. When pressed, the AC button light turns green but the AC clutch won't engage. I think it's probably just a fuse, but I don't know where it is... can someone please tell me where the AC fuse is located on a 2000 Camry?

    Thanks in advance!
  • pdnotespdnotes Posts: 2
    My 02 Camry had exactly the same problem - stopped blowing cold & the AC light blinked. Toyota actually issued a service bulletin for this condition(TSB EL011-05), which involved the the magnetic clutch relay. We replaced it, and the problem is solved. I believe the part cost around $60, and was so easy to install that I actually did it myself.
  • wwestwwest Posts: 10,706
    There are two possibilities. The OAT, Outside Air Temperature, sensor is usually mounted on/near the front bumper just in front of the condensor/radiator "stack".

    Open that connection and the OAT would seemingly go below freezing. The A/C is totally disabled if the OAT is near or below freezing.

    The second possibilty is the refrigerant pressure switch. On my car it is mounted just below the passenger side front headlight. A poor or open connection there would most definitely cause your symptoms.
  • rtemplertemple Posts: 1
    I have an 06 Camry w/o climate control. A/C is blowing only warm air. The compressor is engaged and does not cycle on and off. A/C control knobs light up but when you turn the temperature knob counterclock wise ( colder) at about 10:00 position the knob light goes out?
  • I have a 2000 Camry with a AC fan problem. At first the fan would only work on high speed.Then it finelly stopped working all together.The fuse is good. The green light in the AC button is lite but no fan. Any ideas?
  • kiawahkiawah Posts: 3,666
    Check the blower resistor, which is by the blower motor squirrel cage, passenger compartment.
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