Toyota Highlander Air Conditioner Not Working

We Have Installed A Blower Motor And Since Then Customer Says It Only Blows Hot Air. Ac Is Working. Full Of Freon And All Pressures Are Good...

When I'm Driving, The Engine Indicator Lights Are Fine, But Hot Air Is Blowing Into The Passenger Cabin From The Open Vents. I Mean Really...

Today My A/c Started Blowing Warm And The A/c Button Was Flashing. Then I Pressed The Button Twice, The Light Turned Solid And My A/c Was...

Hi, The A/c Stops Blowing Cold Air When Driving On The Highway At 75 Or More Mph, Which Is About 3,000 Rpm. Outside Temperature Was 85°. If...