Kia Optima: Inspection - Auto Light Sensor. Repair procedures - Auto Lighting Control System - Body Electrical System - Kia Optima TF 2011-2023 Service ManualKia Optima: Inspection

In the state of IGN1 ON, when multi function switch module detects auto light switch on, tail lamp relay output and head lamp low relay output are controlled according to auto light sensor's input.

The auto light control doesn't work if the pin sunlight supply (5V regulated power from Ignition 1 power to sunlight sensor) is in short circuit with the ground.

If IGN1 ON, The BCM monitors the range of this supply and raises up a failure as soon as the supply’s voltage is out of range. Then this failure occurs and as long as this is present, the head lamp must be turned on without taking care about the sunlight level provided by the sensor.

This is designed to prevent any head lamp cut off when the failure occurs during the night.


Auto Light Sensor. Repair procedures
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Removal
1. Disconnect the negative (-) battery terminal. 2. Remove the auto light sensor (A) from crash pad upper side by using screw (-) driver. ...

See also:

Adjusting the height of front seat cushion
To change the height (front portion) of the seat cushion, rotate the knob located on the outside of the seat cushion. To lower the seat cushion, rotate the knob toward the front of the vehicle ...

Moving Up a Steep Grade From a Standing Start
To move up a steep grade from a standing start, depress the brake pedal, shift the shift lever to D (Drive). Select the appropriate gear depending on load weight and steepness of the grade, and re ...

Battery Recharging
Your vehicle has a maintenance-free, calciumbased battery. If the battery becomes discharged in a short time (because, for example, the headlights or interior lights were left on while the vehi ...

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