I have a Mira 2012 model in Auto front is all geniune , trunk re sprayed ! The A/C is fine and never had any heat up issue , but its Manual and its super fast i bet vitz can't chase that car! @muradi your car maybe total geniune but who knows if it had been in underneath hit ! Anyways , the foam between condenser and radiator would be missing and causing this issue , my dads friend had same problem in his car the foam was missing but no A/C wala was able to detect that problem
Treat others the way you want to be treated