Question about 2002 Honda Odyssey

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2002 honda odyssey ac compressor won't come on. System full with freon, all fuses checked..ok. The knob for the variable speed fan will only activate the fan when it is turn to full speed. Fan for the rear system works on all three speeds.

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  • lambydawg May 17, 2009

    Do you mean that there is a problem within the ac controls....inside dash....meaning large amounts of money?

  • lambydawg May 17, 2009

    thank you

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  • Master
  • 355 Answers

The fault must be in that section as the condenser, dryer and compressor are common to both front and rear outputs.

Posted on May 17, 2009

  • 1 more comment 
  • Rohit  Asthana
    Rohit Asthana May 17, 2009

    dealer replaced condencer it was like $700 bucks do not go to dealer
    just buy condencer for $120 online and it easy to change it and then
    refill with freon Also after that put mrs grille on odyssey .
    looks good and no problem at all Those condencer are common problem
    JUST DO NOT GO TO STEALLERSHIP

  • Rohit  Asthana
    Rohit Asthana May 17, 2009

    but before doing that
    The A/C pressure switch is located in the high pressure line (the
    skinny one) on the passenger side of the engine compartment just under
    the fuse/relay box. The switch has three functions: <28 psi, the
    switch opens to protect the compressor from lack of lubrication.
    >220 psi, the switch shifts the radiator and compressor fan to high
    speed. >455 psi, the switch opens to protect the compressor seals.
    Check to see if you have any powertrain DTC's first. A faulty engine
    coolant temp sensor can cause problems with the compressor clutch
    relay. If the radiator and compressor fan come on with the A/C on but
    the compressor clutch does not operate, check the compressor clutch
    relay. You can also obtain Heater control panel diagnostic trouble
    codes (DTC's) by turning the ignition switch on. Then turn fan switch
    off. Press recirc button to select recirc air. Press and hold recirc to
    turn off recirc air but this time continue to hold the button down
    until recirc light comes on for two seconds and then goes off. If there
    is any trouble, the recirc light will then blink a code (if no trouble,
    the light will remain off) 1 blink = problem in air mix control motor
    circuit. 2 blinks = a problem in mode control motor circuit. 3 blinks =
    a problem in evaporator temperature sensor circuit. (this one could be
    a factor in your case) Turn the ignition switch off to end the test.


  • grumfan
    grumfan Aug 26, 2012

    If the AC Compressor has begun its typical disintegration, (this has happenned to 100's of thousands of units so far), playing with the switches will not fix it. The entire AC system needs to be replaced because the the bits of metal from the disintegrating compressor get all through it and then will destroy the next compressor that gets installed almost as soon as its gets used.

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