| Circuit Diagram |

Repair procedures
Blind Spot Detection Unit Repair proceduresHyundai Elantra AD (2016-2020) Owners Manual: Warning Light and Message
Keep hands on steering wheel
If the driver takes their hands off the steering wheel for several seconds while
the LKA system is activated, the system will warn the driver.
Information
If the steering wheel is held very lightly, the message may still appear because
the LKA system may not rec ...
Hyundai Elantra AD (2016-2020) Service Manual: Engine Coolant Temperature Sensor (ECTS) Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the ECTS connector.
3.
Remove the ECTS.
4.
After immersing the thermistor of the sensor into engine coolant, measure resistance between the ECTS terminals 1 and 3.
5.
Check that the resistance is within the specification.
...