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: Wireless Starter Component Internal Failure (B277A96)

DESCRIPTION If the remote engine start ECU does not respond to the certification ECU (smart key ECU assembly) or the remote engine start ID is not registered, this DTC is stored. HINT: Registration status of the remote engine start ECU ID can be checked using the "Wireless C Code" item in the Data List...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Rear Door Right Speaker Circuit Actuator Stuck (B1AB271)

DESCRIPTION This DTC is output when a malfunction occurs in the right side rear speaker system. DTC No. Detection Item DTC Detection Condition Trouble Area B1AB271 Rear Door Right Speaker Circuit Actuator Stuck When starting the system from IG OFF → ACC ON, the stereo component equalizer assembly detects a malfunction in the right side rear speaker system* Harness or connector Rear speaker assembly RH Stereo component equalizer assembly HINT: *: To prevent false positives, fault monitoring is not performed in the following conditions: Auxiliary battery voltage has decreased to 9...