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

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Body Electrical System / 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

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