Daytime Running Light Relay Circuit: Description

The main body ECU (multiplex network body ECU) controls the daytime running lights.

HINT: 

• The power distributor (engine room junction block assembly) has a headlight control function. This function dims the daytime running lights in accordance with operation signals from the main body ECU (multiplex network body ECU) while the daytime running light system is operating.
• The power distributor (engine room junction block assembly) dims the daytime running lights using a duty control.