Kia Optima: Repair procedures - Charging System - Engine Electrical SystemKia Optima: Repair procedures

On-vehicle Inspection
   
   
Check that the auxiliary 12V battery cables are connected to the correct terminals.
Disconnect the auxiliary 12V battery cables when the battery is given a quick charge.
Never disconnect the auxiliary 12V battery while the engine is running.
Check The Auxiliary 12V Battery Terminals And Fuses
1.
Check that the auxiliary 12V battery terminals are not loose or corroded.
2.
Check the fuses for continuity.
Check Discharge Warning Light Circuit
1.
Warm up the engine and then turn it off.
2.
Turn off all accessories.
3.
Turn the ignition switch "ON". Check that the discharge warning light is lit.
4.
Start the engine and Check that the light goes off.
If the light does not go off as specified, then refer to the LDC diagnostics section for further diagnosis of auxiliary 12V battery charging system problem.
Charging System
...

Auxiliary 12V Battery Components and Components Location
Components 1. Battery tray2. Auxiliary 12V Battery3. Battery upper bracket ...

See also:

Body Control Module (BCM) Description and Operation
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Inspection 1. Connect the GDS on the Data Link Connector (DLC). 2. Turn the ignition switch ON. 3. Measure the output voltage of the APS 1 and 2 at C.T and W.O.T. AcceleratorPositionOut ...

Curtain Airbag (CAB) Module Components and Components Location
Components ...

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