Toyota Camry (XV70): Automatic High Beam Camera (B124C)
Toyota Camry Repair Manual XV70 (2018-2024) / Vehicle Exterior / Lighting (ext) / Lighting System / 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.
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LED Headlight LH (B2430,B2431)
DESCRIPTION These DTCs are stored when the low beam headlights do not illuminate, or a communication malfunction is detected between the light control LED ECU and main body ECU (multiplex network body
Lost Communication With ECM/PCM "A" (U0100,U0101,U0120,U0126,U0129,U0151,U0155,U0163,U0164,U023A,U0327,U1106,U1117)
DESCRIPTION These DTCs are stored if a CAN communication malfunction occurs between the main body ECU (multiplex network body ECU) and other ECUs.
DTC No. Detection Item
DTC Detection C
Lost Communication With ECM/PCM "A" Missing Message (U010087,U012587,U012987,U014087)
DESCRIPTION These DTCs are stored if a CAN communication malfunction occurs between the forward recognition camera and other ECUs.
DTC No. Detection Item
DTC Detection Condition
T
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Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE:
In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.
HINT: Using the Techstream to read the Data List allows the values or state
Reassembly
REASSEMBLY PROCEDURE 1. INSTALL IGNITION OR STARTER SWITCH ASSEMBLY (w/o Smart Key System)
(a) Engage the 2 claws to install the ignition or starter switch assembly onto the upper steering column bracket assembly.
2. INSTALL UN-LOCK WARNING SWITCH ASSEMBLY (w/o Smart Key System)
(a) Eng
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