Toyota Yaris: When Driving / ABS/TCS/DSC

Hill Launch Assist (HLA)(If equipped)

Hill Launch Assist (HLA) is a function which assists the driver in accelerating from a stop while on a slope. When the driver releases the brake pedal and depresses the accelerator pedal while on a slope, the function prevents the vehicle from rolling...

Antilock Brake System (ABS)

The ABS control unit continuously monitors the speed of each wheel. If one wheel is about to lock up, the ABS responds by automatically releasing and reapplying that wheel’s brake...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Lost Communication with Front Panel LIN Missing Message (B14B287)

DESCRIPTION The air conditioning control assembly communicates with the air conditioning amplifier assembly via LIN communication. If a malfunction occurs in the LIN communication system, the air conditioning amplifier assembly will not operate, even if the air conditioning control assembly is operated...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Power Source Control System Circuit Short to Ground (B278211)

DESCRIPTION The certification ECU (smart key ECU assembly) has a power source mode switching function. This DTC is stored when the IGE 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...