The TPMS Malfunction Indicator will illuminate after it blinks for approximately one minute when there is a problem with the Tire Pressure Monitoring System.
Have the system checked by an authorized HYUNDAI dealer as soon as possible.
NOTICE
If there is a malfunction with the TPMS, the individual tire pressures in the cluster LCD display will not be available. Have the system checked by an authorized HYUNDAI dealer as soon as possible.
NOTICE
The TPMS Malfunction Indicator may illuminate after blinking for one minute if the vehicle is near electric power supply cables or radio transmitters such as police stations, government and public offices, broadcasting stations, military installations, airports, transmitting towers, etc.
Additionally, the TPMS Malfunction Indicator may illuminate if snow chains are used or electronic devices such as computers, chargers, remote starters, navigation, etc. This may interfere with normal operation of the TPMS.
Hyundai Elantra AD (2016-2020) Service Manual: Flow Diagram
Power Flow Chart
P,NUD/BLR/B26/B35R/COD/COWC?
? Direction of Rotation
?Lower & Reverse Brake (LR/B) Activation > Overdrive (O/D) Hub Lock > Mid & Rear P/C Lock
?Input Shaft Rotation > Rear Sun Gear Rotation > Rear Inner
Pinion Rotation (Reverse) > Rear Outer Pinion Rotation > R ...
Hyundai Elantra AD (2016-2020) Service Manual: Manifold Absolute Pressure Sensor (MAPS) Description and Operation
Description
Manifold Absolute Pressure Sensor (MAPS) is a speed-density
type sensor and is installed on the surge tank. It senses absolute
pressure of the surge tank and transfers the analog signal proportional
to the pressure to the ECM. By using this signal, the ECM calculates the
intak ...