Lexus ES: Automatic High Beam Camera (B124C)
Lexus ES (XZ10) Service Manual / Vehicle Interior / Lighting (ext) / Lighting System (for Gasoline 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
PROCEDURE
| 1. | CHECK FRONT CAMERA SYSTEM |
(a) Check front camera system.
Click here .gif)
| NEXT | .gif) | END |
READ NEXT:
Headlight Swivel ECU LH Communication (B2410,B2411)
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
Steering Position Sensor (B2414)
DESCRIPTION The headlight ECU sub-assembly LH receives steering angle signals from the steering sensor via CAN communication and performs light control. for LED Type Turn Signal Light DTC No. Det
SEE MORE:
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use these procedures to troubleshoot the grille shutter system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS HINT:
In troubleshooting, confirm that the problem symptoms ha
Drive Motor "A" Inverter Voltage Sensor(VH) Circuit Voltage Below Threshold (P0D2D16,P0D2D17,P0D2D1F)
DESCRIPTION The inverter contains a three-phase bridge circuit, which consists of 6 power transistors (IGBTs) each for the generator (MG1) and motor (MG2). The inverter converts high-voltage direct current from the HV battery into three-phase alternating current for the generator (MG1) and motor (MG
© 2016-2026 Copyright www.lexguide.net
