Lexus NX: Automatic High Beam System
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Operation Check
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Fail-safe Chart
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Vehicle Control History
- Automatic High Beam System (B124B)
- Automatic High Beam Camera (B124C)
- Lost Communication with Front Camera Module (U023A)
- Automatic High Beam System does not Operate or Operation Indicator does not Illuminate
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Precaution
PRECAUTION HANDLING PRECAUTIONS FOR FORWARD RECOGNITION CAMERA (a) The automatic high beam system uses the forward recognition camera. For precautions related to the forward recognition camera, refer
Parts Location
PARTS LOCATION ILLUSTRATION *1 FORWARD RECOGNITION CAMERA *2 BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY (SKID CONTROL ECU) *3 HEADLIGHT ASSEMBLY LH *4 HEADLIGHT ASSEMBLY RH *5
System Diagram
SYSTEM DIAGRAM
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Lost Communication with Gateway Module (Main Body ECU) (U1002)
DESCRIPTION
The main body ECU (multiplex network body ECU) will store this DTC when no signals can be received from the ECUs that have been memorized as those that are connected to sub bus 1.
When the main body ECU (multiplex network body ECU) receives a response signal from the ECUs connected
Installation
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The following procedure is for the LH side.
NOTICE:
Because the RH side flexible hose and LH side flexible hose are not interchangeable, verify the part number when installing the rear flexible hose
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