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Home >> Chevrolet >> 2006 >> Epica LTZ >> Repair and Diagnosis >> Engine Performance >> System >> Computer/Integrating Systems >> Description and Operation >> Intelligent Switching Unit Description and Operation >> Interior Lamp
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Interior Lamp

When the interior lamp switch is positioned in the middle or in the door position, the intelligent switching unit (ISU) will control the interior lamps.

If one of the 4 doors is opened while IGN 1 power is OFF, the interior lamps will come ON; however, after 15 minutes have passed, the interior lamps will go OFF automatically in order to prevent battery discharge.

The interior lamps, will turn ON automatically when a door is opened with IGN 1 OFF, then the lamps will stay ON for 7 +/- 0.1 seconds until the doors are closed again, and for 2 +/- 0.5 seconds thereafter. The lamps will slowly dim for 7 seconds and then finally go OFF.

With IGN 1 ON, interior lamps are turned ON only while the doors are opened. The dimming function is disabled.