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.
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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Television Camera (for Rear): Installation
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