Engine Switch Illumination Circuit: Description

WARNING: This page is about a different car, the 2007 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.

The engine switch illumination is controlled by the main body ECU. The operation and condition of this control are described below (Light control switch is OFF).

OPERATION CONDITION

Operation	Condition
Fade in	When any of the following conditions is met, the engine switch illumination fades in. The key enters any actuation area around the doors when the engine switch is off and all doors are closed. Any door is opened. Any door is unlocked when the engine switch is off and all doors are closed. The engine switch is turned from on (ACC) to off when all doors are dosed.
Fade out immediately	When either of the following conditions is met, the engine switch illumination fades out. The engine switch is turned from off to on (ACC or IG) when all doors are closed. All doors are locked when the engine switch is off.
Illuminate for approximately 15 seconds, and then fade out	All doors are closed when the engine switch is off.