Toyota Yaris: Introduction / How To Troubleshoot Ecu Controlled Systems

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / General / 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: Power Distribution Box System Internal Failure (B235504)


DESCRIPTION This DTC is output when the power distribution box assembly detects a Internal circuit error. DTC No. Detection Item DTC Detection Condition Trouble Area B235504 Power Distribution Box System Internal Failure Microcomputer abnormality AD circuit trouble The load drive output open or short trouble Power distribution box assembly WIRING DIAGRAM Click here CAUTION / NOTICE / HINT NOTICE: When using the GTS with the ignition switch off to troubleshoot: Connect the GTS to the vehicle, and turn a courtesy switch on and off at 1...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Software Incompatibility with Body Control Module Not Programmed (U032251,U032257)


DESCRIPTION The millimeter wave radar sensor assembly receives vehicle specification information from the main body ECU (multiplex network body ECU) and ECM via the CAN communication line. If the millimeter wave radar sensor assembly cannot confirm the vehicle specification information sent from the main body ECU (multiplex network body ECU) and ECM, the millimeter wave radar sensor assembly stores DTC U032251...

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Key Suspend Function

If a key is left in the vehicle, the functions of the key left in the vehicle are temporarily suspended to prevent theft of the vehicle.

To restore the functions, press the unlock button on the functions-suspended key in the vehicle.

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