Air Conditioning Problem: 89 Civic Warm AC! Please Help!

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Comments

  • Try this, turn on your car and ac, check your compressor relay, there is a yellow wire that is the signal wire from the ECU, see if you have continuity from that yellow wire and ground. If there is no continuity go to the next steps

    1. check your A/C pressure switch (located near cond. fan on low pressure line)? check for resistance between the terminals on the switch itself, if there is proceed to next step, if not jump the connector and that is your problem.

    2. checked your A/C thermo sensor aka ac thermostat (located on passenger side under dash sort of, if you dont know where it is go to majestic honda's parts list)? Unplug the connector and jump the wires. Or follow the trouble shooting methods of sticking it in cold water of a certain temp and blah blah blah, if you jump it and it works you dont need to do all that crap.

    The AC pres sw and the ac thermo sensor are just switches on the same blu-red wire one after the other, so if you each one individually you should be able to determine if either are your problem.



    If you have pressure in the system, but nothing is turning on try checking those.
  • man, are you selling ur wagon? Saw ur listing on ebay :(
  • Man whats the word on your AC? expansion valve or thermo sensor?
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