Lighting and Horns: Description and Operation

LIGHTING: LIGHTING SYSTEM: SYSTEM DIAGRAM










LIGHTING: LIGHTING SYSTEM: SYSTEM DESCRIPTION

1. LIGHTING SYSTEM

(a) Illumination control system (Illuminated entry system):

When the doors are unlocked through a key or transmitter operation, or when a door is opened or closed, the illuminated entry system turns on the interior light.

(1) The main body ECU receives the following signals (A).

* Door courtesy light switch signal

* Door detection switch signal

* Ignition switch signal

(2) The main body ECU controls the following signal based on the signals listed in A.

* Illumination operation signal

(3) The main body ECU controls the on/off and fade-in/fade-out operation of the following parts.

* Room light assembly

(b) Battery saver system:

When the ignition switch is turned to OFF and any of the doors is open continuously for 20 minutes, the main body ECU turns the illumination operation signal off. As a result, the room light assembly turn off.

(1) The main body ECU receives the following signals (B).

* Door courtesy light switch signal

* Engine switch signal

(2) The main body ECU controls the following signal based on the signals listed in B (C).

* Illumination operation signal

(3) The main body ECU controls the illumination period of the following parts based on the signals listed in C.

* Room light assembly