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 (2020-2025) Reapir and Service Manual: Removal

REMOVAL CAUTION / NOTICE / HINT NOTICE: After replacing the front disc brake pads, the brake pedal may feel soft due to clearance between the front disc brake pads and front disc. Depress the brake pedal several times until the brake pedal feels firm...

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Terminals Of Ecu

TERMINALS OF ECU CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (a) Disconnect the H46 certification ECU (smart key ECU assembly) connector. (b) Measure the voltage and resistance according to the value(s) in the table below. Tester Connection Terminal Description Condition Specified Condition Related Data List Item H46-29 (E) - Body ground Ground Always Below 1 Ω - H46-6 (+B) - H46-29 (E) Power supply Always 11 to 14 V - H45-22 (CUTB) - H46-29 (E) Dark current cut pin* Ignition switch off 11 to 14 V - *: In order to prevent the vehicle auxiliary battery from being depleted when the vehicle is shipped long distances, a fuse that cuts unnecessary electrical load while the vehicle is being shipped is installed in the circuit...