Toyota Yaris: General / Introduction

General

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How To Troubleshoot Ecu Controlled Systems

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Other information:

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: All Door Entry Lock/Unlock Functions do not Operate, but Wireless Functions Operate

DESCRIPTION When the wireless operation can be used to lock and unlock the doors, communication between the smart door control receiver assembly and certification ECU (smart key ECU assembly) is normal. If the entry lock and unlock functions do not operate, the entry cancel function may be set through the customize function, there may be communication problems between the electrical key transmitter sub-assembly and vehicle, or there may be wave interference...

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Front Passenger Side Door Entry Lock and Unlock Functions do not Operate

DESCRIPTION If the entry lock and unlock functions do not operate for the front passenger door only, the request code may not be being transmitted from the front passenger door or the front door outside handle assembly RH (touch sensor) may be malfunctioning...