Hyundai Elantra: Operation - TPMS Receiver. Description 
and Operation - Tire Pressure Monitoring System - Suspension System - Hyundai Elantra MD 2010-2018 Service manualHyundai Elantra: Operation


1.
General Function
A.
Auto-learn takes place only once per Ignition cycle.
B.
On successful completion, 4 road wheel sensor ID's are latched into memory for monitoring.
C.
Until Auto-learn completes, previously learned sensors are monitored for under inflation / leak warnings.
2.
General Conditions to Learn New Sensors:
A.
Receiver must determine that it is confident that sensor is not temporary:
1)
Uses vehicle speed.
2)
Uses confidence reduction of previously learned sensors.
B.
Typical time at driving continuously over 12.4 mph(20 kph) to learn a new sensor is up to 20 minutes.
3.
General Conditions to Un-Learn a sensor that is removed:
A.
It takes less than 20 minutes at 12.4 ~ 18.6 mph(20 ~ 30kph).
B.
Confidence reduction is dependent on time which vehicle is driven at speed greater than or equal to 12.4 mph(20 kph).

    Description
    1. Mode (1) Virgin State A. The receiver as a sole part is shipped in this state. ...

    TPMS Receiver. Repair procedures
    Replacement When the receiver first arrives for replacement: 1) It will be in Virgin State. ...