Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001H5VS
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 - 09/2022]
Title: LIGHTING (EXT): LIGHTING SYSTEM (for HV Model): B124C; Automatic High Beam Camera; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]

DTC

B124C

Automatic High Beam Camera

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 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; CRUISE CONTROL: FRONT CAMERA SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

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