Hyundai Elantra: Seat Electrical / Lumber Support Units Repair procedures

Hyundai Elantra AD (2016-2020) Service Manual / Body Electrical System / 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.

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

...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Crash Pad Side Cover Repair procedures
Replacement • Put on gloves to prevent hand injuries. • When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components. • Use a plastic panel removal tool to remove int ...

Hyundai Elantra AD (2016-2020) Service Manual: Blower Motor Repair procedures
Inspection 1. Connect the battery voltage and check the blower motor rotation. 2. If the blower motor does not operate well, substitute with a known-good blower motor and check for proper operation. 3. Replace the blower motor if it is proved that there is a problem with it. Replacem ...