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
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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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DESCRIPTION Detection Item Symptom Trouble Area Certification ECU Communication Stop Mode Any of the following conditions are met:
Communication stop for "Certification (Smart)" is indicated on the "Communication Bus Check" screen of the Techstream.
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Communication sto
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