Toyota Yaris: Wireless Door Lock Control System / How To Proceed With Troubleshooting

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.

• Vehicle was driven
• Vehicle was towed

System Diagram

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Operation Check

OPERATION CHECK CHECK CUSTOMIZE PARAMETERS NOTICE: The operation check below is based on the non-customized initial condition of the vehicle. Click here HINT: The switches described in this text are the switches for transmitting signals...

Other information:

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Components

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Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Door Unlock Detection Switch Circuit

DESCRIPTION The main body ECU (multiplex network body ECU) detects the condition of each door unlock detection switch. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer to Registration...