FUNCTION OF MAIN COMPONENTS
| Component | Function |
|---|---|
| Main Body ECU (Multiplex Network Body ECU) | Receives various signals and turns off the exterior lights. |
| Semiconductor PWR Integration ECU | Shuts down power to the headlights, daytime running lights and front fog lights. |
| Instrument Panel Junction Block Assembly
|
Shuts down power to the taillights, clearance lights and license plate lights. |
| Rear Fog Light Relay*1 | Shuts down power to the rear fog lights. |
| Headlight Dimmer Switch Assembly
|
Outputs a light control switch position signal to the main body ECU (multiplex network body ECU). |
| Front Door Courtesy Light Switch Assembly (RH)*2 | Detects whether a door is open or closed and transmits a signal to the main body ECU (multiplex network body ECU). |
*1: Models with rear fog lights
*2: RHD models
SYSTEM CONTROL
The light auto turn-off system operates as follows:
| Function | Operation Condition |
|---|---|
| Headlight or Front Fog Light Auto Turn-off | When both of the following conditions are met, the headlights or front fog lights automatically turn off:
|
| Exterior Light Auto Turn-off | When both of the following conditions are met, the exterior lights automatically turn off:
|
| Function | Operation Condition |
|---|---|
| Driver Door-linked | When both of the following conditions are met, the exterior lights automatically turn off:
|