Hyundai Elantra: Blind Spot Detection System / Blind Spot Detection Unit Repair procedures

Hyundai Elantra AD (2016-2020) Service Manual / Body Electrical System / Blind Spot Detection System / Blind Spot Detection Unit Repair procedures

Removal

1.	Disconnect the negative (-) battery terminal.

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

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

•	Take care not to separate the bracket from rear bumper when removing the BSD sensor.

Installation

1.	Install the BSD units to the rear bumper.

2.	Install the rear bumper.

Connect the negative (-) battery terminal.

•	Take care not to confuse left side (master) and right side (slave) unit when installing.

•	BSD units connector connect to the wiring connector.

Blind Spot Detection Unit Schematic Diagrams

Circuit Diagram ...

Blind Spot Detection Switch Components and Components Location

Circuit Diagram ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Knock Sensor (KS) Description and Operation
Description Knocking is a phenomenon characterized by undesirable vibration and noise and can cause engine damage. Knock Sensor (KS) is installed on the cylinder block and senses engine knocking. When knocking occurs, the vibration from the cylinder block is applied as pressure to the piez ...

Hyundai Elantra AD (2016-2020) Service Manual: Transaxle Control Module (TCM) Schematic Diagrams
TCM Connector and Terminal Function TCM Terminal Function Connector [A] Connector [K] PinDescriptionPinDescriptionA1Overdrive clutch control solenoid valve(OD/C_VFS)K8FLEXRAY COMM. Signal HIGHA5Torque converter control solenoid(T/CON_VFS)K25FLEXRAY COMM. Signal LOWA6Pressure control solenoid ( ...