Toyota Yaris: Smart Key System (for Entry Function) / How To Proceed With Troubleshooting

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Key System (for Entry Function) / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Replace parts related to the wireless door lock and smart key system according to the inspection procedure.
  • If the wireless door lock and smart key system does not operate, first check the customize item and make sure that the wireless door lock and smart key system is not turned off.
  • The wireless door lock and smart key system primarily uses the following systems.
    • Power door lock system
    • Wireless door lock system
    • Smart key system (for Entry Function)
    • Smart key system (for Start Function)
      • : Steering lock function
      • : Immobiliser function
  • Perform troubleshooting procedures with other registered keys if available.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

(a) Confirm how vehicle was brought to workshop

  • Vehicle was driven
  • Vehicle was towed

HINT:

The malfunction location may be narrowed down by confirming whether the vehicle was driven or towed.

NEXT

GO TO SMART KEY SYSTEM (for Start Function)

    Parts Location

    PARTS LOCATION ILLUSTRATION *1 FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RH *2 FRONT DOOR LOCK WITH MOTOR ASSEMBLY RH *3 BACK DOOR OPENER SWITCH ASSEMBLY *4 OPEN SWITCH *5 LOCK SWITCH *6 BACK DOOR LOCK ASSEMBLY WITH COURTESY LIGHT SWITCH *7 FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH *8 FRONT DOOR LOCK WITH MOTOR ASSEMBLY LH ILLUSTRATION *1 FRONT DOOR OUTSIDE HANDLE ASSEMBLY RH - ELECTRICAL KEY ANTENNA - LOCK SENSOR - UNLOCK SENSOR *2 SMART DOOR CONTROL RECEIVER ASSEMBLY *3 ELECTRICAL KEY ANTENNA (OUTSIDE LUGGAGE COMPARTMENT) *4 NO...

    System Diagram

    S..

    Other information:

    Toyota Yaris XP210 (2020-2025) Owner's Manual: Automatic Transaxle Controls


    Various Lockouts: Indicates that you must depress the brake pedal and hold in the lock-release button to shift (The ignition must be switched ON). Indicates the selector lever can be shifted freely into any position. Indicates that you must hold in the lock-release button to shift...

    Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Humidity/Rain Sensor Missing Message (B127987)


    DESCRIPTION The main body ECU (multiplex network body ECU) and rain sensor communicate via LIN communication. The main body ECU (multiplex network body ECU) stores this DTC if communication becomes abnormal. DTC No. Detection Item DTC Detection Condition Trouble Area Memory DTC Output from B127987 Humidity/Rain Sensor Missing Message Auxiliary battery voltage is 9...

    Categories

    Fuel-Filler Lid and Cap

    WARNING

    When removing the fuel-filler cap, loosen the cap slightly and wait for any hissing to stop, then remove it

    Fuel spray is dangerous. Fuel can burn skin and eyes and cause illness if ingested. Fuel spray is released when there is pressure in the fuel tank and the fuel-filler cap is removed too quickly.

    read more

     
    Copyright © 2025 www.toyaris4.com