Toyota Yaris: Introduction / How To Troubleshoot Ecu Controlled Systems

Introduction

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General Information

GENERAL INFORMATION A large number of ECU controlled systems are used in this vehicle. In general, ECU controlled systems are considered to be very intricate, requiring a high level of technical knowledge to troubleshoot...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Operation Check

OPERATION CHECK STOP AND START SYSTEM OPERATION CHECK HINT: If the cable is disconnected from the battery terminal, stop and start control is prohibited until refresh charge is completed. In this case, let the vehicle idle to complete the refresh charge...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Stop Light Relay Actuator Stuck (C142571)

DESCRIPTION The stop light switch and skid control ECU (brake actuator assembly) output stop light signals. If the skid control ECU (brake actuator assembly) detects a malfunction in circuits related to the stop light, it informs the millimeter wave radar sensor assembly via CAN communication, and DTC C142571 is stored...