Hyundai Elantra: Integrated Body Control Unit (IBU) / Repair procedures
1. | Disconnect the negative (-) battery terminal. |
2. | Remove the glove box housing cover. (Refer to Body - "Glove Box Housing Cover") |
3. | Remove the IBU unit (A) after loosening mounting nuts. 
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4. | Remove the IBU after disconnecting IBU connectors. 
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1. | Connect the integrated body control module connector. |
2. | Install the integrated body control module. |
3. | Install the glove box housing cover. |
4. | Connect the negative (-) battery terminal. |
Diagnosis With Diagnostic tool |
1. | In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (Diagnostic tool). (1) | Fault Code Searching : Checking failure and code number (DTC) |
(2) | Data Analysis : Checking the system input/output data state |
(3) | Actuation test : Checking the system operation condition |
(4) | S/W Management : Controlling other features including system option setting and zero point adjustment |
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2. | If diagnose the vehicle by Diagnostic tool, select "DTC Analysis" and "Vehicle". 
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3. | If check current status, select the "Data Analysis" and "Car model". 
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4. | Select the 'IBU_BCM' to search the current state of the input/output data. 

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Other information:
Components and components location
Components Location1. Sunroof assembly
Repair procedures
Replacement
•
When removing with a flat - tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components. •
Put on glove to protect your hands.1.Remove the roof trim.(Refer to Roof Trim - "Roof Tr..
Folding the rear seat
The rear seatbacks can be folded to
facilitate carrying long items or to
increase the luggage capacity of the
vehicle.
WARNING
Never allow passengers to sit on top
of the folded down seatback while
the vehicle is moving. This is not a
proper seating position and no seat
belts are available for use. This could
result in serious injury or death in
case of an ac..