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 > Smart Key System(for Entry Function): Open in Front Passenger Side Electrical Antenna Circuit (B27A2)
DESCRIPTION
The certification ECU (smart key ECU assembly) generates a request signal and
transmits the signal to the front door outside handle assembly RH (electrical key
antenna) at intervals of 0.25 seconds. For the front door outside handle assembly
RH (electrical key antenna) to detect w ...
Toyota CH-R Owners Manual > Maintenance: General maintenance
Listed below are the general maintenance items that should be performed
at the intervals specified in the "Owner's Warranty Information Booklet" or "Owner's
Manual Supplement/Scheduled Maintenance Guide". It is recommended that any problem
you notice should be broug ...