Lexus NX: Automatic High Beam Camera (B124C)
Lexus NX Service Manual / Vehicle Exterior / Lighting (ext) / Automatic High Beam System / 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 |
|---|---|---|---|
| B124C | Automatic High Beam Camera | Malfunction in forward recognition camera | Front camera system |
WIRING DIAGRAM
PROCEDURE
| 1. | CHECK FRONT CAMERA SYSTEM |
(a) Check the front camera system.
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Lost Communication with Front Camera Module (U023A)
DESCRIPTION These DTCs are stored when the CAN communication system is malfunctioning. DTC No. Detection Item DTC Detection Condition Trouble Area U023A Lost Communication with Front Ca
Automatic High Beam System does not Operate or Operation Indicator does not Illuminate
DESCRIPTION The main body ECU (multiplex network body ECU) controls the automatic high beam system based on signals received from the forward recognition camera. WIRING DIAGRAM CAUTION / NOTICE / HIN
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Inspection
INSPECTION PROCEDURE 1. INSPECT FUEL LID WITH MOTOR LOCK ASSEMBLY (a) Check the operation of the fuel lid with lock motor assembly. (1) Apply auxiliary battery voltage to the fuel lid with motor lock assembly connector, and check that the fuel lid with motor lock assembly operates smoothly as fol
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to read the Data List allows the values or states of
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