» » »

Toyota Q&A

Ask Your Question

2003 Toyota Matrix Question: a/c psi



wilbtrkn, Marionville, MO, April 24, 2009, 09:15

On the a/c if all fuses are good what could be the problem if a/c won't kick on? If you run a jumper from a hot wire direct it will kick in. what is the freon psi for this car?

1 Answer
Flag This
  • Answer #1

    patrick mannion from Greg Solow's Engine Room, April 24, 2009, 11:15

    There are many things that can cause the a/c to fail or not blow sufficient cold air. There are no Service Bulletins regarding any "common failures" and I have not seen any on the Matrix.
    The system will protet itself if there is a loss of refrigerant so as not to damage the compressor.
    You need a wiring diagram and pressure gauges to properly diagnose the system.
    The pressures should be Low side 1.5 to 2.5 kgf/sq cm , High side 14 to 16 kgf/sq cm.

    Flag This
  • Reply

    Visitor, July 24, 2010, 02:43

    I have a 2003 XR, one of the major problems when the a/c doesn't kick in could be the wiring cluster that goes to the dash panel. If your dash lights r NOT working u have to doublecheck to make your compressor is receiving current. If it does not receive current the likely electrical problem is the cluster. Average cost for a cluster between $250 & $400..I just had to replace mine.....

    Flag This