Some technicians try to tackle electrical or electronic problems before picking up a DMM to take a few voltage or current readings to find out what might be wrong. These techs also may not pick up a manual to consult the schematic diagram to see what the circuit contains and decide how to plan a troubleshooting strategy.
2006 Hyundai Santa Fe Heater Blower With No Speed Control
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...
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