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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Headlight Dimmer Switch Circuit
DESCRIPTION The main body ECU (multiplex network body ECU) receives light control switch signals, dimmer switch signals, fog light switch signals from the headlight dimmer switch. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Recognition code registration is necessary when replacing the main bo
Installation
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure described below is for the LH side.
PROCEDURE 1. INSTALL FOG LIGHT ASSEMBLY LH (a) Install the fog light assembly LH with the 3 screws. (b) Attach each hose clamp. *A LH Side *B
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