Kia Optima Hybrid: Blind Spot Detection System / Blind Spot Detection Unit Repair procedures

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Body Electrical System / Blind Spot Detection System / Blind Spot Detection Unit Repair procedures

Removal

Blind spot detection (BSD) unit

Disconnect the negative (-) battery.

Be careful when removing the blind spot detection unit. The bracket may break off from the bumper.

2.	Remove the rear bumper. (Refer to Body - "Rear Bumper Cover")

3.	Disconnect the BSD connector (A) from the BSD unit.

4.	Remove the BSD assembly (A) after loosening the mounting screws and fasteners.

Remove the BSD unit (A) after loosening the mounting screws.

When removing the BSD unit, separate the fixed clip from the connector.

Installation

Blind spot detection (BSD) unit

1.	Ready the radar sensor RH and LH for each side properly.

Install the radar sensor to the bracket correctly (distinguish RH & LH) with mounting nuts.

The shape of the left and right blind spot detection unit is different. Therefore, take notice when installing the blind spot detection unit.

Radar Sensors must be closed up against the bracket completely.

After mounting radar sensors, check a wobble.

Connecto the negative (-) battery terminal.

	Left side (Slave)	Right side (Master)
Shape
Remark	The location of the bracket is different.

When replacing the BSD unit , you have to input the detailed regional information into the BSD unit. This learning process is called variant coding.

Follow the procedures which describes on the GDS screen.

Blind Spot Detection Unit Schematic Diagrams

Circuit Diagram ...

Blind Spot Detection Variant Coding Description and Operation

Description The used radar frequency of BSD is two, "North America region" and "Except North America region". If it replaces BSD unit, BSD unit has to perform the procedure of variant coding. BSD Variant ...

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Description To sense the cars exactly in the next lane with the radar, the direction of the sensor and the direction of the vehicle have to align. This is BSD unit alignment. If this alignment is not performed as below illustration, the degradation of detection performance and the cause of false alarms. ...