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)
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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
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:
To remove the cover (For Type C):
1. Pull out the door handle.
2. Press the lever (3) located inside the bottom part of the cover with a key
or flat-head screwdriver.
3. Push out the cover while pressing the lever.
Turn the key clockwise to lock (1) and counterclockwise to unlock (2).
I ...
Repair procedures
Removal
1.
Disconnect the negative battery terminal.
2.
Remvoe the fuel door housing.
(Refer to Body - "Fuel Filler Door")
3.
Remove the fuel filler door unlock actuator (A) by loosening the m ...