Hyundai Elantra: Seat Electrical / Lumber Support Units
Repair procedures
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). 
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5. | Separate the retaining clips (A) from the seat frame. 
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6. | Remove the lumber support assembly (A) after disengaging mounting clip. 
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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. |
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| Check the rear lumbar support system. |
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Lumbar Support Motor
1. | Disconnect the connectors for each motor. [Lumbar Support Motor] 
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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. 
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Other information:
Ventilation
1. Select the Face Level mode.
2. Set the air intake control to fresh
mode.
3. Set the temperature control to the
desired position.
4. Set the fan speed control to the
desired speed.
Heating
1. Select the Floor Level mode.
2. Set the air intake control to fresh
mode.
3. Set the temperature control to the
desired position.
4. Set the fan speed control to the
desired speed.
5. If..
Components and components location
Components[This illustration shows the LHD type. RHD type is symmetrical.][Connector A]
Pin No
Function
Pin No
Function
1Battery9IGN22ILL+ (TAIL)10ISG Battery (+)3-11IGN14LIN BUS12HTD5-13-6-14-7-15-8RHEO (ILL-)16Ground
Repair procedures
Self Diag..