Kia Optima: 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 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.

Repair procedures
1. |
Turn the ignition switch OFF.
|
2. |
Disconnect the battery (-) terminal (A).
Tightening torque :
4.0 - 6.0 N.m (0.4 - 0.6 kgf.m, 3.0 - 4.4 lb-ft)
|

|
3. |
Remove the battery.
(Refer to Engine Electrical System - "Battery")
|
4. |
Remove the battery negative (-) cable after removing the bolts (A).
Tightening torque :
10.8 - 13.7 N.m (1.1 - 1.4 kgf.m, 8.0 -10.1 lb-ft)
|

|
1. |
Install in the reverse order of removal.
|
Description and operation
Description
1.
The CMF(Closed Maintenance Free) battery is, as the name implies, totally
maintenance free and has no removable battery cell ca ...
Description and operation
Description
The starting system includes the battery, starter, solenoid switch, ignition
switch, inhibitor switch (A/T), clutch pedal switch (M/T), ignition l ...
Other information:
The light switch has a Headlight and a Parking light position.
To operate the lights, turn the knob at the end of the control lever to one of
the following positions:
(1) OFF position
(2) Auto light position
(3) Parking & Tail light
(4) Headlight position
Parking & Tail light
...
Your vehicle is equipped with an occupant detection system in the front passenger's
seat.
The occupant detection system is designed to detect the presence of a properly-seated
front passenger and determine if the passenger's front air bag should be enabled
(may inflate) or not. Only the fro ...