Hyundai Ioniq (AE): Heating, Ventilation and Air Conditioning / Controller. Heater & A/C Control Unit (DATC)

Inspection1.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.

ComponentsConnector Pin Function[Connector A] Pin NO Funtion Pin NO Funtion 1Battery (+)21IGN12-22IGN23ILL+ (TAIL)23Blower PWM4Sensor REF (+5V)24Left Photo Sensor (-)5Driver Mode Control Actuator Feedback25Right Photo Sensor (-)6Driver Temperature Control Actuator Feedback26Blower Relay7Intake Actuator Feedback27Incar sensor (+)8Evaporator Temperature Sensor (+)28Incar motor (-)9Ambient Temperature Sensor (+)29-10Dirver Mode Control Actuator (VENT)30Detent out (-)11Dirver Mode Control Actuator (DEF)31-12Driver Temperature Control Actuator (COOL)32-13Driver Temperature Control Actuator (WARM)33P CAN HIGH14Intake Actuator (FRE)34P CAN LOW15Intake Actuator (REC)35Climate_CAN High16Passenger Temperature Control Actuator (COOL)36Climate_CAN Low17Passenger Temperature Control Actuator (WARM)37Interlock (+)_Ecomp18HTD (Rear Defrost)38Interlock (-)_Ecomp19Reae defogging switch39Sensor Ground20ILL - (RHEO)40Ground[Connector B] Pin NO Funtion Pin NO Funtion 1PTC Relay 117PAB Off Signal2PTC Relay 218Passenger Mode Control Actuator (Vent)3-19Passenger Mode Control Actuator (Defrost)4-20Passenger Mode Control Actuator Feedback5Auto Defogging Actuator (OPEN)21Duct Sensor (+)_Vent6Auto Defogging Actuator (CLOSE)22Duct Sensor (+)_Floor7-23-8-24-9-25Passenger Temperature Control Actuator Feedback10-26-11PAB IGN 127-12ADS Signal28Auto Defogging Actuator Feedback13-29-14-30-15PAB On Signal31-16Ground32-