DESCRIPTION
The main body ECU (multiplex network body ECU) determines the status of the automatic high beam system based on the automatic high beam system signal from the forward recognition camera.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
B124B |
Automatic High Beam System |
Malfunction in automatic high beam system |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
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
Click here
HINT:
If the forward recognition camera stores a DTC for a malfunction of any of the following, this DTC will be stored simultaneously.
PROCEDURE
1. |
CHECK FOR DTC (HEALTH CHECK) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: System Select / Health Check.
(e) Check for DTCs.
Result
Result |
Proceed to |
---|---|
Only DTC B124B is output |
A |
DTC B124B is output at the same time |
B |
B | ![]() |
GO TO OTHER DTC CHART |
|
2. |
CHECK FORWARD RECOGNITION CAMERA |
(a) Check if a dynamic radar cruise control system, lane departure alert system and pre-collision system warning message are displayed on the combination meter assembly.
Click here
OK:
No dynamic radar cruise control system, lane departure alert system and pre-collision system warning messages are displayed.
Proceed to |
---|
OK |
NG |
OK | ![]() |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
NG | ![]() |
GO TO FORWARD RECOGNITION CAMERA SYSTEM |
Amplifier Box Speaker Assembly
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. PRECAUTION
NOTICE:
After turning the ignition switch off, waiting time may be required before disconnecting
the cable from the negative (-) battery terminal. Therefore, make sure to read the
disconnecti ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
The forward recognition camera is used by multiple systems. If any malfunctions
occur, refer to Problem Symptoms Table of each system.
Dynamic radar cruise control system (for 2GR-FKS): Click here
Dynamic radar cruise control syste ...
Rear Speed Sensor RH Malfunction (C1403,C1404)
DESCRIPTION
The speed sensor detects wheel speed and sends the appropriate signals to the
skid control ECU (brake actuator assembly). These signals are used for brake control.
The speed sensor rotors have rows of alternating N and S magnetic poles and their
magnetic fields change when the roto ...