WARNING
Windshield heating
Do not use the or
position during cooling operation
in extremely humid weather. The difference between the temperature of the outside
air and that of the windshield could cause the outer surface of the windshield to
fog up, causing loss of visibility could cause an accident resulting in serious
injury or death. In this case, set the mode selection knob or button to the
position
and fan speed control knob or button to a lower speed.
NOTICE
If the engine temperature is still cold after starting, then a brief engine warm up period may be required for the vented air flow to become warm or hot.
Hyundai Sonata LF 2014-2019 Service Manual: Heater & A/C Control Unit (DATC) Components and Components Location
Components
Connector [A]
Pin NOFunctionPin NOFunction1ILL+ (TAIL)21Detent OUT (+)2Sensor REF (+5V)22HTD (Rear defog indicator)3Mode control actuator (Vent)23Rear defog switch4Mode control actuator (Defrost)24C_CAN High5Mode control actuator (Feedback)25C_CAN Low6Intake actuator (Fresh)26ECV+7Int ...
Hyundai Sonata LF 2014-2019 Service Manual: Input shaft speed sensor 1 Specifications
Specification
ItemSpecificationTypeHall effect sensorOperation condition (°C)°F(-40 ~ 150)-40 ~ 302Output signal (mA)High: 11.8 ~ 16.8Low: 5.9 ~ 8.4
...