Hyundai Elantra (CN7): Seat Electrical / Power Seat Motor

Hyundai Elantra (CN7) 2021-2026 Service Manual / Body Electrical System / Seat Electrical / Power Seat Motor

Components and components location

Component Location

1. Lumber support motor
2. Reclining motor
3. Front height motor
4. Slide motor
5. Rear height motor
6. Reclining limit switch
7. Lumber support switch
8. Seat switch

Repair procedures

Inspection
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.
[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")

    Repair procedures Removal1.Disconnect the negative (-) battery terminal.2.Remove the front seat outer shield cover.(Refer to Body - "Front Seat Outer Shield Cover")3.

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