INSPECTION PROCEDURE
NOTICE:
First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN
communication malfunctions before troubleshooting this symptom.
PROCEDURE
1. CHECK FOR DTC
(a) Clear the DTCs See: Lighting and Horns/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes.
(b) Check for DTCs See: Lighting and Horns/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes.
OK:
DTC B124C is not output.
NG -- REPLACE INNER REAR VIEW MIRROR ASSEMBLY
OK -- USE SIMULATION METHOD TO CHECK See: Accessories and Optional Equipment/Antitheft and Alarm
Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting
From 08/2009
LIGHTING (EXT): LIGHTING SYSTEM: B124C: Automatic High Beam Camera
B124C - Automatic High Beam Camera
DESCRIPTION
The DTC is stored when the main body ECU (multiplex network body ECU) detects malfunctions in the camera (inner rear view mirror assembly).
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN
communication malfunctions before troubleshooting this symptom.
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