Hyundai Ioniq (AE): Seat Electrical / Power Seat Motor. Repair procedures

Inspection
Diagnosis with GDS
1.
The body electrocal system 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)
Actuator 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 'Power seat module (PSM)' to check the power seat module (PSM).
4.
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 power seat module (PSM) can be checked.
5.
If you will check the power door lock operation forcefully, select "Actuation test".
Power Seat Motor
1.
Disconnect the connectors for each motor.
[Slide Motor]

[Rear Height Motor]

[Front Height Motor]

[Reclining Motor]

[Lumbar Support Motor]

2.
With the battery connected directly to the motor terminals, check if the motors run smoothly.
3.
Reverse the connections and check that the motor turns in reverse.
4.
If there is an abnormality, replace the motors.
[Driver / Assist]

[Reclining Motor Limit Switch]
   
•
The power seat motor(IMS specification) mounted in this vehicle uses the hole sensor to calculate the maximum operation distance, so it does not require limit switch.
•
But, NON- IMS specification driver seat and passenger seat have limit switches in the motor in the back of the chairs.
1.
Disconnect the limit switch and operate the limit switch.
2.
Check for continuity between the terminals.
3.
Make sure that the seat operation is normal in the reverse after the maximum operation.
4.
If there is an abnormality, replace the limit switch.

Remove
Front Seat
1.
Disconnect the battery terminals.
2.
Remove the front seat assembly.
(Refer to Body - "Front Seat Assembly")

    Component Location1. Lumber support motor (Front/Rear)2. Rear height motor3. Reclining motor4. Slide motor5. Front height motor6. Reclining limit switch7.

    Circuit Diagram

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: General safety information and caution

    Safety PrecautionPrecautions To Take Before Servicing High Voltage System    â€¢ Since hybrid vehicles contain a high voltage battery, if the high voltage system or vehicles are handled incorrectly, this might lead to a serious accidents like electric shock and electric leakage.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Smart Cruise Control (SCC) Switch. Repair procedures

    Removal1.Disconnect the negative (-) battery terminal.2.Remove the steering wheel assembly.(Refer to Steering System -"Steering Wheel")3.Remove the steering back cover (A).4.Remove the steering remote control connector (A).5.Remove the steering remote control (A), after loosening the screws.

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