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 > Front Evaporator Temperature Sensor: Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during front evaporator temperature sensor removal/installation are shown below. Necessary Procedure After Par ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Lane Control System: Internal Control Module Software Incompatibility Not Programmed (U030051)
DESCRIPTION The forward recognition camera receives the vehicle information from the ECM via CAN communication. If the forward recognition camera cannot store the vehicle information sent from the ECM, it stores DTC U030051. DTC No. Detection Item DTC Detection Condition Trouble Area U0 ...