Kia Carens: Charging System / Battery Sensor Description and operation
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.

Removal
1.
Disconnect the battery negative (-) cable.
2.
Disconnect the battery sensor connector (A).
3.
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Other information:
Replacement
[M/T]
•
Put on gloves to protect your hands.
•
...
Replacement
1.
Loosen the wheel nuts slightly. Raise the vehicle, and make sure it
is securely supported.
2.
Remove the front wheel and tire (A) from front hub.
Tightening torque :
88.2 ~ 10 ...