The Automatic Climate Control System is controlled by setting the desired temperature.
1. Press the AUTO button.
The modes, fan speeds, air intake and air-conditioning will be controlled automatically by the temperature setting you select.
2. Turn the temperature control knob to the desired temperature. If the temperature is set to the lowest setting (Lo), the air conditioning system will operate continuously.
To turn the automatic operation off, select any button of the following:
- Mode selection button
- Front windshield defroster button (Press the button one more time to deselect
the front windshield defroster function. The 'AUTO' sign will illuminate on the
information display once again.)
- Fan speed control knob
The selected function will be controlled manually while other functions operate automatically.
For your convenience and to improve the effectiveness of the climate control, use the AUTO button and set the temperature to 73°F (23°C).
To change the temperature unit from °F to °C or °C to °F:
Press the AUTO button for 3 seconds while pressing the OFF button.
NOTICE
Never place anything near the sensor to ensure better control of the heating and cooling system.
Hyundai Elantra AD (2016-2020) Service Manual: Heater & A/C Control Unit (DATC) Components and Components Location
Components
ConnectorPin NOFunctionConnectorPin NOFunctionA1Battery (+)A21IGN12IGN222ILL+ (TAIL)3ISG B+23Sensor ground REF (+5V)4Mode control actuator (Vent)24C_CAN High5Mode control actuator (Def)25C_CAN Low6Mode control actuator (Feedback)26HTD (Rear defog indicator)7Intake actuator (Fresh)27- ...
Hyundai Elantra AD (2016-2020) Service Manual: Purge Control Solenoid Valve (PCSV) Description and Operation
Description
Purge Control Solenoid Valve (PCSV) is installed on the
intake manifold and controls the evaporative purge between the canister
and the intake manifold. It is a normally closed solenoid valve and is
open when the ECM grounds the valve control line. When the passage is
open (PC ...