The following warning indicates a possible problem in the brake system.
Immediately stop the vehicle in a safe place and contact your Toyota dealer.

If a warning light turns on or a warning buzzer sounds...
Stop the vehicle immediately.Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Read the DTC by following the prompts on the Techstream screen.
HINT:
Refer to the Techstream operator's manual for further details.
2. CL ...
Heated Oxygen Sensor
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE NO. 1 ENGINE UNDER COVER
2. REMOVE NO. 2 ENGINE UNDER COVER
3. REMOVE FRONT EXHAUST PIPE ASSEMBLY
4. REMOVE HEATED OXYGEN SENSOR
(a) Using SST, remove the heat ...
Automatic High Beam System (B124B)
DESCRIPTION
The DTC is stored when the main body ECU (driver side junction block assembly)
detects malfunctions in the automatic high beam system.
DTC No.
DTC Detection Condition
Trouble Area
B124B
...