Lighting and Horns: Description and Operation

LIGHTING: LIGHTING SYSTEM: SYSTEM DIAGRAM

SYSTEM DIAGRAM

















LIGHTING: LIGHTING SYSTEM: SYSTEM DESCRIPTION

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 room light assembly.
(1) The main body ECU receives the following signal (A).

- Door courtesy 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 off and the 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, taillights, and the headlights turn off.
(1) The main body ECU receives the following signals (B).

- Door courtesy switch signal
- Ignition 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
- Headlight (Low)
- Position light (Front and Rear)

(c) Daytime running light system:
This system is directly connected to the low-beam headlights and is designed to automatically activate the daytime running lights in order to increase the visibility of the vehicle.
(1) The Running light relay assembly receives the following signals (I).

- Ignition switch signal
- Generator signal
- Parking brake switch signal
- Light control switch signal
(2) The Running light relay assembly controls the on/off operation of the following part.

- Headlight (Low)