DTC B2424: Headlight Beam Level Control Motor LH Lost Communication; DTC B2425: Headlight Beam Level Control Motor RH Lost Communication [09/2019 - ]: Description

Each headlight ECU sub-assembly and headlight swivel and leveling motor communicate via LIN communication.

The headlight swivel and leveling motor operates according to power supplied and automatic headlight beam level control signals from its respective headlight ECU sub-assembly and sends its operating state to the headlight ECU sub-assembly.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	DTC Output from
B2424	Headlight Beam Level Control Motor LH Lost Communication	Malfunction in LIN communication error	Headlight unit assembly LH Headlight unit assembly RH Harness or connector Headlight ECU sub-assembly LH Headlight ECU sub-assembly RH	AFS
B2425	Headlight Beam Level Control Motor RH Lost Communication	Malfunction in LIN communication error	Headlight unit assembly RH Headlight unit assembly LH Harness or connector Headlight ECU sub-assembly RH Headlight ECU sub-assembly LH	AFS