DTC B2430: LED Headlight LH Circuit Malfunction; DTC B2431: LED Headlight RH Circuit Malfunction [09/2014 - ]: Description

These DTCs are stored when the low beam headlights do not illuminate, or a malfunction is detected in the communication between the headlight assembly and main body ECU (multiplex network body ECU).

DTC No.	DTC Detection Condition	Trouble Area
B2430	Any of the following conditions occur after 20 seconds have elapsed since the ignition switch was turned ON: Light control ECU malfunction Headlight unit malfunction Light control ECU power source and signal malfunction	Headlight unit LH H-LP relay Harness or connector Main body ECU (multiplex network body ECU)
B2431	Any of the following conditions occur after 20 seconds have elapsed since the ignition switch was turned ON: Light control ECU malfunction Headlight unit malfunction Light control ECU power source and signal malfunction	Headlight unit RH H-LP relay Harness or connector Main body ECU (multiplex network body ECU)