Caution / Notice / Hint
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 |
|---|---|---|---|---|
| B2412 | Headlight Swivel Motor LH | Detection condition:
Malfunction status:
Malfunction duration:
|
Headlight assembly LH | AFS |
| B2413 | Headlight Swivel Motor RH | Detection condition:
Malfunction status:
Malfunction duration:
|
Headlight assembly RH | AFS |
| B2417 | Headlight Beam Level Control Motor LH | Detection condition:
Malfunction status:
Malfunction duration:
|
Headlight assembly LH | AFS |
| B2418 | Headlight Beam Level Control Motor RH | Detection condition:
Malfunction status:
Malfunction duration:
|
Headlight assembly RH | AFS |
- If the headlight ECU sub-assembly LH or headlight assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.
Refer to INITIALIZATION [12/2019 - 11/2023]
- When replacing the headlight ECU sub-assembly LH or headlight assembly LH, always replace it with a new one. If a headlight ECU sub-assembly LH which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.