Toyota Yaris: Inner Rear View Mirror / Problem Symptoms Table

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Vehicle Interior / Mirror (int) / Inner Rear View Mirror / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Automatic Glare-resistant EC Mirror

Symptom

Suspected Area

Link

Automatic glare-resistant EC mirror does not operate

ECU-IGR NO. 2 Fuse

-

Inner rear view mirror assembly

Wire harness or connector

-

    System Diagram

    S..

    Inspection

    INSPECTION PROCEDURE 1. INSPECT INNER REAR VIEW MIRROR ASSEMBLY (a) Inspect the operation of the electrochromic inner rear view mirror assembly. *a Black Colored Tape *b Forward Sensor *c Bright *d Dark *e Auxiliary Battery *f AUTO Switch *g Component without harness connected (Inner Rear View Mirror Assembly) - - (1) Connect a positive (+) lead from the auxiliary battery to terminal 4 (IG) and a negative (-) lead to terminal 1 (E)...

    Other information:

    Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Terminals Of Ecu


    TERMINALS OF ECU CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (a) Disconnect the H45 and H46 certification ECU (smart key ECU assembly) connectors. (b) Measure the resistance and voltage according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the connector disconnected...

    Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Back Door Entry Lock and Unlock Functions do not Operate


    DESCRIPTION If the entry lock and unlock functions do not operate for the back door only, the request code may not be being transmitted from the back door. If the entry functions for other doors operate properly, communication between the electrical key transmitter sub-assembly and the smart door control receiver assembly is normal...

    Categories

    Turning the Engine Off

    Stop the vehicle completely. Manual transaxle: Shift into neutral and set the parking brake.

    Automatic transaxle: Shift the selector lever to the P position and set the parking brake.

    Press the push button start to turn off the engine. The ignition position is off.

    read more

     
    Copyright © 2026 www.toyaris4.com