Hyundai Ioniq (AE): Heater / Mode Control Actuator. Repair procedures

Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the mode control actuator connector.
3.
Verify that the mode control actuator operates to the defrost mode when connecting 12V to terminal 3 and grounding terminal 4.
Verify that the mode control actuator operates to the vent mode when connected in reverse.

Pin NO
Function
1
-
2
-
3
Vent mode
4
Sensor (+5V)
5
Feedback signal
6
Sensor ground
7
Defrost mode

4.
Connect the mode control actuator connector.
5.
Turn the ignition switch ON.
6.
Check the voltage between terminal 6 and 5.
7.
If the measured voltage is not within specification, check the operation by replacing the existing mode control actuator with a new genuine part. After that, determine whether replacement of the temperature control actuator is required or not.
Diagnosis With GDS
1.
The heating, ventilation and air conditioning can be quickly diagnosed failed parts with vehicle diagnostic system (GDS).
※ The diagnostic system (GDS) provides the following information.
(1) Self diagnosis : Checking the failure code (DTC) and display.
(2) Current data : Checking the system input/output data state.
(3) Actuation test : Checking the system operation condition.
(4) Additional function : Other controlling such as he system option and zero point adjustment.
2.
Select the 'Car model' and the system to be checked in order to check the vehicle with the tester.
3.
Select the 'Current data' menu to search the current state of the input / output data.
The input / output data for the sensors corresponding to the Mode Control Actuator can be checked.

4.
To perform compulsory operation on Mode Control Actuator input factors, select "ACTUATION TEST".

Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the main crash pad assembly.
(Refer to Body - "Main Crash Pad Assembly")
3.
Disconnect the connector (A) and then remove the mode control actuator (B) after loosening the mounting screws.
[Driver's side]

[Passenger's side]

4.
To install, reverse the removal procedure.

    Specifications Door position Voltage (V) Error detecting Vent0.3 ± 0.15Low voltage : 0.

    Components Location1. Auto logging actuator

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Parking Distance Warning (PDW) Sensor. Repair procedures

    Removal1.Disconnect the negative (-) battery terminal.2.Remove the front / rear bumper cover.(Refer to Body - "Front Bumper Cover")(Refer to Body - "Rear Bumper Cover")3.Disconnect the connector (A) from the parking assist sensor.4.Remove the sensor (A) by pulling out both ends of the sensor holder.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Parking Distance Warning (PDW) ON/OFF Switch. Repair procedures

    Removal    â€¢ Put on gloves to prevent hand injuries.    â€¢ When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components.

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