Lexus ES: Automatic High Beam Camera (B124C)
Lexus ES (XZ10) Service Manual / Vehicle Exterior / Lighting (ext) / Lighting System (for Hv Model) / 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 | DTC Output from |
|---|---|---|---|---|
| B124C | Automatic High Beam Camera | Malfunction in forward recognition camera | Front camera system | Main Body |
WIRING DIAGRAM
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PROCEDURE
| 1. | CHECK FRONT CAMERA SYSTEM |
(a) Check front camera system.
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| NEXT | .gif) | END |
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DESCRIPTION Each headlight ECU sub-assembly and headlight swivel motor communicate via LIN communication. The headlight swivel motor operates according to power supplied and automatic headlight beam l
Headlight Swivel Motor LH (B2412,B2413,B2417,B2418)
DESCRIPTION The headlight ECU sub-assembly LH sends automatic headlight beam level control signals to each headlight swivel motor and headlight leveling motor via LIN communication. Each headlight ECU
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Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) Grille shutter system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs. CHECK DLC3 (a) Check the
Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT NOTICE: This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts. Click here PROCEDURE 1. REMOVE SPARK PLUG Click here 2. REMOVE KNOCK CONTROL SENSOR Click here 3. REMOVE ENGINE
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