Toyota Yaris: Smart Key System (for Entry Function) / System Diagram

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...

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 CHECK THE ENTRY UNLOCK FUNCTION (a) Check the entry unlock function (driver door, front passenger door)...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Security Indicator Light Does not Blink

DESCRIPTION The certification ECU (smart key ECU assembly) blinks the security indicator light (combination meter assembly) when the immobiliser is set (engine switch off). The certification ECU (smart key ECU assembly) receives the security indicator light signal from the main body ECU (multiplex network body ECU) via CAN communication when the theft deterrent system is in the arming preparation state or alarm sounding state...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Registration

REGISTRATION PROCEDURE 1. REPAIR INSTRUCTION CAUTION: As weak radio waves are emitted from the electrical key transmitter sub-assembly, if a pacemaker is being used, be sure to read the pacemaker instruction manual and the following. People with implantable cardiac pacemakers, cardiac resynchronization therapy-pacemakers or implantable cardioverter defibrillators should keep away from the Smart Key system antennas...