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 ECU (multiplex network body ECU) |
WIRING DIAGRAM
PROCEDURE
| 1. | CHECK FRONT CAMERA SYSTEM |
(a) Check front camera system.
Click here
| NEXT | | END |
Light Sensor Circuit (B1244)
Headlight Swivel ECU LH Communication (B2410,B2411)Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Shift Paddle Switch: Removal
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Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Vehicle Stability Control System: Brake Warning Light Remains ON
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