DESCRIPTION
This DTC is stored when the main body ECU (multiplex network body ECU) detects malfunctions in the automatic high beam system.
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:
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 |
Proceed to |
---|---|
Only DTC B124B is output |
A |
DTC B124B and other DTCs are output |
B |
B | ![]() |
GO TO OTHER DTC CHART |
|
2. |
CHECK FORWARD RECOGNITION CAMERA SYSTEM |
(a) Check if a dynamic radar cruise control system, lane departure alert system and pre-collision system warning message is 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.
OK | ![]() |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
|
NG | ![]() |
GO TO FORWARD RECOGNITION CAMERA SYSTEM |
Toyota CH-R Service Manual > Meter / Gauge System: Entire Combination Meter does not Operate
DESCRIPTION
This circuit is the power source circuit for the combination meter assembly.
This circuit provides two types of power sources; one is a constant power source,
and the other is an IG power source.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses of circu ...
Toyota CH-R Owners Manual > Steps to take in an emergency: If your vehicle overheats
The following may indicate that your vehicle is overheating.
The needle of the engine coolant temperature gauge enters the red zone or
a loss of engine power is experienced (for example, the vehicle speed does not
increase).
Steam comes out from under the hood.
Correction procedures
...