Toyota Yaris: When Driving / Active Safety System

Power Steering

Power steering is only operable when the engine is running. If the engine is off or if the power steering system is inoperable, you can still steer, but it requires more physical effort...

Active Safety System

Pre-Crash Safety Technology Pre-crash safety technology is designed to assist the driver in averting collisions or reduce their severity in situations where they cannot be avoided...

Other information:

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Components

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Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Communication between ECUs connected by LIN Bus off (B278588)

DESCRIPTION This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and steering lock ECU (steering lock actuator or upper bracket assembly) stops for 10 seconds or more. DTC No. Detection Item DTC Detection Condition Trouble Area B278588 Communication between ECUs connected by LIN Bus off No communication between steering lock ECU (steering lock actuator or upper bracket assembly) and certification ECU (smart key ECU assembly) for 10 seconds or more...