1 Air conditioning Copyright by Hyundai Motor Company. All rights reserved. Air conditioning

2 Items Type H-1 (Old)TQ H-1 Compressor Swash plat type Refrigerant quantity (g)950 ± ± 25 Refrigerant pressure detectingDual pressure switchAPT CommunicationNone K-line (Front A/C controller Rear A/C controller) Rear A/C control Blower motor speed control Air temperature control Blower motor speed control Air temperature control Air outlet mode control Sensor Ambient sensorAppliedAmbient sensor with AQS In-car sensorApplied Photo sensorApplied Coolant temp. sensorApplied Actuator Temperature actuatorAppliedPosition sensor built in actuator Mode door actuatorAppliedPosition sensor built in actuator Intake actuatorAppliedPosition sensor built in actuator DiagnosisControllerController, Hi-scan pro

3 Air conditioning Sensors AQS Photo sensorAmbient sensorIn-car sensor Fin sensorCoolant temp. sensorAPT

4 Air conditioning PTC (Positive Temperature Coefficient) Heater PTC heaterPTC heater relay

5 Air conditioning Rear A/C Roof A/vent duct only for A/C Floor duct only for RR heater Rear heater & A/C

6 Air conditioning Rear A/C AUX Switch (R switch) Switch positionRear A/C control R Rear A/C can be controlled by rear controller. Other position (blower control) Rear A/C can be controlled by front A/C controller. ItemsControlRemarks Temperature controlCool ~ Warm Mode controlVent, B/L, Floor Blower motor speed control Step 1 ~ Step7 Rear A/C controlled by front A/C controller Rear A/C remote control via communication AUX switch has to be positioned on R. Rear A/C control items

7 Air conditioning Rear A/C MOS FET Temp. actuator & mode actuator

8 Air conditioning Diagnosis (using controller button) Temp. Unit Change

9 Air conditioning DEF Logic Release and Recover FATCManual 1. Select DEF mode 2. Press the air intake button 5times within 3 seconds during pressing the A/C switch.