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Home >> Kia >> 2012 >> Optima LX, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Body Control Module (BCM)) >> Description And Operation >> Function >> Exterior Lighting Control >> AV Tail Output Control
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AV Tail Output Control

WARNING: This page is about a different car, the 2013 Kia Sportage and 2012 Kia Sportage. However, it is still accessible from the selected car via links, so may be relevant.
  1. In ACC, IGN, START terminal states, monitoring of the auto light sensor supply's range (AutoLightPwr) is performed and a failure is raises up (Auto Light failure) when the supply's voltage is out of range (outside of range (4V :6V)).

If Auto Light failure occurs and as long as this error is present, the tail lamp and head lamp low must be turned on regardless of the sunlight level provided by the sensor.

When physical Auto light sensor failure occurs the Lamps are turned on, because a zero voltage level is provided by the sensor when internal failure is present.

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

AV Tail Output Control is started In ACC, IGN, START regardless of MFSW Auto Light switch.

CAN signal AV_Tail is set/reset at the same time as AV Tail.