Hyundai Elantra MD/UD: Battery Sensor. Description and Operation
Description
Vehicles have many control units that use more electricity. These units
control their own system based on information from diverse sensors. It is important
to have a stable power supply as there diverse sensors giving a variety of information.
Battery sensor (A) is mounted on battery (-) terminal. It transmits battery
voltage, current, temperature information to ECM. ECM controls generating voltage
by duty cycle based on these signals.