1. Start the engine.
2. Set the mode to the desired position. To improve the effectiveness of heating and cooling :
- Heating:
- Cooling:
3. Set the temperature control to the desired position.
4. Set the air intake control to the outside (fresh) air or recirculated air position.
5. Set the fan speed control to the desired speed.
6. If air conditioning is desired, turn the air conditioning system on.
Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures
On-vehicle Inpection
•
First of all, check for DTCs. If a DTC is present, perform
troubleshooting in accordance with the procedure for that DTC. (Refer to
DTC guide)
•
Check that the battery cables are connected to the correct termina ...
Hyundai Sonata LF 2014-2019 Service Manual: Intake Actuator Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the intake actuator connector.
3.
Verify that the intake actuator operates to the fresh position when connecting 12V to terminal 3 and grounding terminal 4.
Verify that the intake actuator operates to the recirculation position w ...