Lexus ES: Automatic High Beam Camera (B124C)
DESCRIPTION
The main body ECU (multiplex network body ECU) detects a high beam headlight illumination request signal of the automatic high beam system from the forward recognition camera.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
| B124C | Automatic High Beam Camera | Malfunction in forward recognition camera | Front camera system | Main Body |
WIRING DIAGRAM
PROCEDURE
| 1. | CHECK FRONT CAMERA SYSTEM |
(a) Check front camera system.
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| NEXT | | END |
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DESCRIPTION Each headlight ECU sub-assembly and headlight swivel motor communicate via LIN communication. The headlight swivel motor operates according to power supplied and automatic headlight beam l
DESCRIPTION The headlight ECU sub-assembly LH sends automatic headlight beam level control signals to each headlight swivel motor and headlight leveling motor via LIN communication. Each headlight ECU
DESCRIPTION The headlight ECU sub-assembly LH receives steering angle signals from the steering sensor via CAN communication and performs light control. for LED Type Turn Signal Light DTC No. Det
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REPAIR CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
If the installation area of the headlight assembly is damaged, use a supply retainer for a low-cost repair.
Ensure that the headlight assembly is not damaged.
DESCRIPTION The motor generator control ECU (MG ECU), which is built into the inverter with converter assembly, monitors its internal operation and will store DTCs if it detects a malfunction. If any of the following DTCs are output, replace the inverter with converter assembly. DTC No. Detecti
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