FUNCTION OF MAIN COMPONENTS
| Component | Function |
|---|---|
| Main Body ECU (Multiplex Network Body ECU) | Receives various signals and transmits the daytime running light control signal. |
| Headlight ECU Sub-assembly LH/RH | Receives daytime running light control signal and illuminates the daytime running lights. |
| Headlight Dimmer Switch Assembly
|
Outputs a light control switch position signal to the main body ECU (multiplex network body ECU). |
| Parking Brake Switch Assembly | Outputs a parking brake operation signal to the main body ECU (multiplex network body ECU). |
SYSTEM CONTROL
Operating Condition
The daytime running lights illuminate when the following conditions are met.
The power switch is turned on (IG).
The headlight dimmer switch assembly is in the off or AUTO position (and the taillights are not turned on via the automatic light control system).
The parking brake switch assembly is off.