Toyota Yaris: Vehicle Stability Control System / Brake Warning Light does not Come ON
DESCRIPTION
The skid control ECU (brake actuator assembly) controls the brake system warning light in the combination meter assembly via CAN communication.
CAUTION / NOTICE / HINT
NOTICE:
After replacing the skid control ECU (brake actuator assembly), perform "Calibration".
Click here
PROCEDURE
| 1. | CHECK GTS OUTPUT (CAN COMMUNICATION SYSTEM) |
(a) Operate the GTS, and check for DTCs related to the CAN communication system.
Click here
| Result | Proceed to |
|---|---|
| Any CAN communication system relating DTCs are output | A |
| None of the above conditions are met | B |
| A |
 | INSPECT CAN COMMUNICATION SYSTEM |
|
| 2. | INSPECT COMBINATION METER ASSEMBLY |
(a) Perform the Active Test of the combination meter assembly using the GTS.
Body Electrical > Combination Meter > Active Test| Tester Display |
|---|
| Brake Warning |
(b) Check the combination meter assembly.
OK:
The brake system warning light turns on or off in accordance with the GTS operation.
| OK |
 | REPLACE BRAKE ACTUATOR ASSEMBLY |
| NG |
 | INSPECT METER / GAUGE SYSTEM |
Brake Warning Light Remains ON
DESCRIPTION This procedure is for troubleshooting when the brake system warning light remains on but no DTCs are output. The skid control ECU (brake actuator assembly) controls the brake system warning light in the combination meter assembly via CAN communication...
Slip Indicator Light Remains ON
DESCRIPTION This procedure is for troubleshooting when the slip indicator light remains on but no DTCs are output. The skid control ECU (brake actuator assembly) controls the slip indicator light in the combination meter assembly via CAN communication...
Other information:
Toyota Yaris XP210 (2020-2023) Reapir and Service Manual: VEHICLE CONTROL HISTORY (RoB)
VEHICLE CONTROL HISTORY (RoB) CHECK VEHICLE CONTROL HISTORY (AIR CONDITIONING SYSTEM) Body Electrical > Air Conditioner > Utility Tester Display Vehicle Control History (RoB) Vehicle Control History Code Tester Display Measurement Item Diagnostic Note X210F Refrigerant Overabundance Filling History Refrigerant was overfilled If overfilling of refrigerant is detected, the A/C switch indicator light turns off and the compressor stops...
Toyota Yaris XP210 (2020-2023) Reapir and Service Manual: Steering Lock Confirmation Signal Circuit Voltage Out of Range (B279F1C)
DESCRIPTION This DTC is stored when the SLA input (the steering lock motor activation permission signal) sent directly from the certification ECU (smart key ECU assembly) to the steering lock ECU (steering lock actuator or upper bracket assembly) is determined to be abnormal...
Categories
- Manuals Home
- Toyota Yaris Owners Manual
- Toyota Yaris Service Manual
- Auto Lock/Unlock Function
- Immobilizer System
- Opening and Closing the Liftgate/Trunk Lid
- New on site
- Most important about car
Supplemental Restraint System (SRS) Precautions
The front and side supplemental restraint systems (SRS) include different types of air bags. Please verify the different types of air bags which are equipped on your vehicle by locating the “SRS AIRBAG” location indicators. These indicators are visible in the area where the air bags are installed.
The air bags are installed in the following locations:
The steering wheel hub (driver air bag) The front passenger dashboard (front passenger air bag) The outboard sides of the front seatbacks (side air bags) The front and rear window pillars, and the roof edge along both sides (curtain air bags)