DTC B2430: LED Headlight LH Circuit Malfunction; DTC B2431: LED Headlight RH Circuit Malfunction [08/2015 - 08/2019]: Description

The illumination of the low beam headlights is controlled by the main body ECU. When the headlights are turned on, the main body ECU receives a signal from the headlight assembly and detects the illumination condition of the low beam headlights.

HINT: 

DTC B2430 and B2431 are not output if 12 seconds have not elapsed since the engine switch was turned on (IG).