Sometimes it pays to stick with your first instincts.
Hunches aren’t always bad.
But there are times when hunches need a little extra time to prove themselves, and rushing through a basic test of a component or system can leave you with a lot of false information which leads to an equally false conclusion.
This specific HVAC system has no self-diagnostic abilities, but does control the blend doors and A/C while manually controlling the blower motor speed. This article is intended for the learning technicians that have an interest in diagnosing and testing a Hyundai HVAC...