Hyundai Elantra AD (2016-2020) Service Manual: PTC Heater Repair procedures
Inspection
Operating Logic Test (Manual only)
Inspect the PTC operation by confirmation logic as follows.
1.
Entering
(1)
Set the Floor mode and maximum heating position.
(2)
Turn off the blower switch.
(3)
Press the intake (recirculation) button 5 times or more.
(4)
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Hyundai Elantra AD (2016-2020) Service Manual: In-car Sensor Description and Operation
Description
The In-car air temperature sensor is built in the heater & A/C control unit.
The sensor contains a thermistor which measures the
temperature of the inside. The signal decided by the resistance value
which changes in accordance with perceived inside temperature, is
delivered ...