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Home >> Toyota >> 2021 >> C-HR Limited >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Lighting System (W/ AFS) - Diagnostic Codes & Circuit Tests >> LIGHTING SYSTEM (w/ AFS) >> DTC B2412: Headlight Swivel Motor LH; DTC B2413: Headlight Swivel Motor RH [09/2019 - 08/2020] >> Description

DTC B2412: Headlight Swivel Motor LH; DTC B2413: Headlight Swivel Motor RH [09/2019 - 08/2020]: Description

The headlight ECU sub-assembly LH sends automatic headlight beam level control signals to each headlight swivel and leveling motor via LIN communication.

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.

The headlight ECU sub-assembly LH stores a DTC if it detects that a headlight swivel and leveling motor is malfunctioning.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Note
B2412 Headlight Swivel Motor LH Headlight swivel and leveling motor malfunction detected Headlight unit assembly LH AFS -
B2413 Headlight Swivel Motor RH Headlight swivel and leveling motor malfunction detected Headlight unit assembly RH AFS -