Toyota Yaris: Vehicle Stability Control System / ABS Warning Light does not Come ON
DESCRIPTION
The skid control ECU (brake actuator assembly) controls the ABS 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".
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PROCEDURE
| 1. | CHECK GTS OUTPUT (CAN COMMUNICATION SYSTEM) |
(a) Operate the GTS, and check for DTCs related to the CAN communication system.
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| 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 |
|
B |
| |
| 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 |
| ABS Warning |
(b) Check the combination meter assembly.
OK:
The ABS warning light turns on or off in accordance with the GTS operation.
| OK |
| REPLACE BRAKE ACTUATOR ASSEMBLY |
| NG |
| INSPECT METER / GAUGE SYSTEM |
DESCRIPTION This procedure is for troubleshooting when the ABS warning light remains on but no DTCs are output. The skid control ECU (brake actuator assembly) controls the ABS warning light in the combination meter assembly via CAN communication...
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...
Other information:
DIAGNOSIS SYSTEM FUNCTION OF WARNING INDICATOR AND MESSAGE (a) If the pre-collision system is not functioning properly, the driver is warned by the PCS warning light and a warning message is displayed on the multi-information display. Warning Message Detail DTC/RoB PCS warning light "Pre-Collision System Malfunction Visit Your Dealer" Pre-collision system malfunctioning Stored Illuminates "Pre-Collision System Radar In Self Calibration Unavailable See Owner's Manual" Millimeter wave radar sensor assembly misaligned Stored Illuminates "Pre-Collision System Out of Temperature Range Unavailable See Owner's Manual" Millimeter wave radar sensor assembly temperature malfunction Stored Illuminates "Pre-Collision System Unavailable See Owner's Manual"
Millimeter wave radar sensor assembly voltage malfunction
Determination was made for temporary suspension of system operation due to millimeter wave radar sensor assembly detecting interference from other nearby radar emitters
Stored Illuminates "Pre-Collision System Radar Sensor Blocked Unavailable Clean Radar Sensor" Foreign matter attached to millimeter wave radar sensor assembly Stored Illuminates "Front Camera Unavailable See Owner's Manual" Abnormal forward recognition camera voltage Stored Illuminates "Front Camera Out of Temperature Range Unavailable Wait until Normal Temperature" Forward recognition camera temperature outside of operational range Stored Illuminates "Front Camera Low Visibility Unavailable See Owner's Manual"
Foreign matter attached to forward recognition camera or area of windshield in front of forward recognition camera
Forward recognition camera or area of windshield in front of forward recognition camera is fogged up
Stored Illuminates "VSC Turned Off Pre-Collision Brake System Unavailable" VSC system is disabled Not stored Illuminates PCS Warning Light Illumination Status PCS Warning Light Condition Illuminates Pre-collision system malfunctioning Pre-collision system temporarily disabled During pre-collision system radar alignment Pre-collision system disabled VSC system disabled Not illuminated Other INITIAL CHECK (a) An initial check is performed when the ignition switch is off for more than 2 seconds and then turned ON...
The curtain air bags are mounted in the front and rear window pillars, and
the roof edge along both sides.
When the air bag crash sensors detect a side impact of greater
than moderate force, the curtain air bag inflates quickly and helps to
reduce injury mainly to the rear outboard passenger’s head caused
by directly hitting interior parts such as a door or window...
Categories
The fuel gauge shows approximately how much fuel is remaining in
the tank when the ignition is switched ON. We recommend keeping
the tank over 1/4 full.

Full
1/4 Full
Empty
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