Hyundai Elantra: Seat Electrical / Power Seat Motor

Hyundai Elantra (CN7) 2021-2025 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")

Power Seat Control Switch

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...

Other information:

Hyundai Elantra (CN7) 2021-2025 Owner's Manual: Rear seat head restraints

The rear seats are equipped with head restraints in all the seating positions for the passenger’s safety and comfort. Adjusting the height up and down To raise the head restraint: 1. Pull it up to the desired position (1). To lower the head restraint: 1...

Hyundai Elantra (CN7) 2021-2025 Service Manual: Troubleshooting

Basic TroubleshootingBasic Troubleshooting GuideCustomer Problem Analysis SheetBasic Inspection ProcedureMeasuring Condition of Electronic Parts' ResistanceThe measured resistance at high temperature after vehicle running may be high or low. So all resistance must be measured at ambient temperature (20°C, 68°F), unless stated otherwise...

Tachometer

The tachometer indicates the approximate number of engine revolutions per minute (RPM).

Use the tachometer to select the correct shift points and to prevent lugging and/ or over-revving the engine.

NOTICE

Do not operate the engine within the tachometer's RED ZONE. This may cause severe engine damage.