Hyundai Elantra: 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.

Circuit Diagram ...

Circuit Diagram ...

Hyundai Elantra AD (2016-2020) Service Manual: Purge Control Solenoid Valve (PCSV) Description and Operation
Description Purge Control Solenoid Valve (PCSV) is installed on the intake manifold and controls the evaporative purge between the canister and the intake manifold. It is a normally closed solenoid valve and is open when the ECM grounds the valve control line. When the passage is open (PC ...