Daytime Running Light Relay Circuit [07/2014 - ]: Description

for DRL Bulb Type: 

The main body ECU controls the daytime running lights (low-intensity low beam headlights).

• The running light relay has a headlight control function. This function dims the low beam headlights in accordance with operation signals from the main body ECU while the daytime running light system is operating.
• The running light relay dims the low beam headlights using a duty control.

for DRL LED Type: 

The main body ECU controls the DRL relay.