Hyundai Elantra: Seat Electrical / Lumber Support Units Repair procedures

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the front seat assembly.
(Refer to Body - "Front Seat Assembly")
3.
Remove the seat back.
(Refer to Body - "Front Seat Back Cover")
4.
Disconnect the lumber support motor connector (A).

5.
Separate the retaining clips (A) from the seat frame.

6.
Remove the lumber support assembly after disengaging mounting clip (A).

Installation
1.
Install the lumbar support assembly.
2.
Install the seat back cover.
3.
Install the front seat assembly.
   
Make sure that the connectors are plugged in properly.
Check the rear lumbar support system.
Inspection
Lumbar Support Motor
1.
Disconnect the connectors for each 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.

Air Ventilation Seat Repair procedures
Removal [Ventilation Blower] 1. Disconnect the negative (-) battery terminal. 2. Remove the front seat. (Refer to Body - "Front Seat Assembly") 3. Remove the blower duct. 4. Remove ...

Fuses And Relays
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Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Fuses
A vehicle’s electrical system is protected from electrical overload damage by fuses. This vehicle has 2 (or 3) fuse panels, one located in the driver's side panel bolster, the other in the engine compartment near the battery. If any of your vehicle’s lights, accessories, or controls ...

Hyundai Elantra AD (2016-2020) Service Manual: Cruise Control Switch Repair procedures
Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Remove the steering wheel assembly. 3. Remove the screws from the steering back cover (A). 4. Remove the steering remote control connector (A). 5. Remove the steering remote control (A) af ...

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