HTSmak Posted November 4, 2018 Share Posted November 4, 2018 Just got my AC gassed, pressure is holding fine but no cool air is coming out. Was told to pull the dash off and look for a switch behind the controls ? 7 months before my battery bar was loose, I turned a corner, the bar hit one of yhe terminals and sparks flew out the left side of the bonnet, dashboard went blank for a few seconds. Should I just replace the whole control unit behind the dash? Ive checked all fuses & they're fine. Link to comment Share on other sites More sharing options...
Scooter Posted November 4, 2018 Share Posted November 4, 2018 Have you done the Aircon diagnostic procedure? Link to comment Share on other sites More sharing options...
HTSmak Posted November 5, 2018 Author Share Posted November 5, 2018 Have you done the Aircon diagnostic procedure?No I havnt, im not familiar with that. How do i find this out ? Link to comment Share on other sites More sharing options...
HTSmak Posted November 5, 2018 Author Share Posted November 5, 2018 No I havnt, im not familiar with that. How do i find this out ? /QUOTE]Sometimes the dash lights dont even come on aswell Sent from my SM-G950F using Tapatalk Link to comment Share on other sites More sharing options...
Scooter Posted November 5, 2018 Share Posted November 5, 2018 http://www.mkivsupra.net/vbb/showthread.php?218316-How-To-Aircon-Diagnostics&highlight=Aircon+diagnostic Link to comment Share on other sites More sharing options...
HTSmak Posted November 5, 2018 Author Share Posted November 5, 2018 http://www.mkivsupra.net/vbb/showthread.php?218316-How-To-Aircon-Diagnostics&highlight=Aircon+diagnosticWhen i click on what you sent it sends me back to this app instead of opening the message, can you send that to me again please Link to comment Share on other sites More sharing options...
kaahari Posted November 5, 2018 Share Posted November 5, 2018 (edited) http://www.jack-frost.co.uk/toyota_supra_air_con.html Do the control of all other functions modes etc (beside ac) other work as they should? Meaning if you adjust temp/flow or modes like up, footwell etc it works? Or just the "ac button" when pressed, cold air not flowing? First, do that diagnose... symptom could be there easily found. If not, mkiv service manual covers ac system very detail... (mechanical & electrical side) Edited November 5, 2018 by kaahari (see edit history) Link to comment Share on other sites More sharing options...
HTSmak Posted November 5, 2018 Author Share Posted November 5, 2018 http://www.jack-frost.co.uk/toyota_supra_air_con.htmlThanks Link to comment Share on other sites More sharing options...
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