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.
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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.
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Description and operation
Description
1.
The CMF(Closed Maintenance Free) battery is, as the name implies, totally
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Description and operation
Description
The starting system includes the battery, starter, solenoid switch, ignition
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Other information:
The electric remote control mirror switch allows you to adjust the position of
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press the R or L button (1) to select the right side mirror or the left side mirror,
then press a corresponding point ()
on t ...
Front fog lamp bulb replacement
■ Front fog lamp
If the front fog lamp (1) does not operate, have the vehicle checked by an authorized
Kia dealer.
Side repeater lamp (LED type) bulb replacement
If the side repeater lamp (LED) does not operate, have the vehicle checked by
an authorized ...