Toyota Yaris: Audio & Visual & Telematics

Work Procedure

WORK PROCEDURE PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED Replacement Part Necessary Procedure Effect/Inoperative Function when Necessary Procedures are not Performed Link *1: When the steering sensor is replaced with a new one, Update ECU security key is necessary...

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Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: System Voltage Circuit Short to Ground or Open (P056014)

MONITOR DESCRIPTION The auxiliary battery supplies electricity to the ECM even when the ignition switch is off. This power allows the ECM to store data such as DTC history, Freeze Frame Data and fuel trim values. If the auxiliary battery voltage falls below a minimum level, the memory is cleared and the ECM determines that there is a malfunction in the power supply circuit...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Vehicle Control History

VEHICLE CONTROL HISTORY DESCRIPTION Vehicle Control History is a function that captures and stores ECU data when triggered by specific vehicle behavior. It may be possible to determine the cause of the malfunction by checking the vehicle history information and freeze frame data...