Toyota Yaris: Before Driving / Door and Locks

Advanced Keyless Entry System (If equipped)

The advanced keyless function allows you to lock/unlock the door and the liftgate or open the liftgate/trunk lid while carrying the key. System malfunctions or warnings are indicated by the following warning lights or beeps...

Door Locks

When the ignition is switched to ACC or ON, the vehicle lock-out prevention feature prevents you from locking yourself out of the vehicle. All doors and the liftgate will automatically unlock if they are locked using the power door locks with any door or the liftgate open...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Back Door Entry Lock Function does not Operate

DESCRIPTION If the entry lock function does not operate for the back door only, but the entry unlock function operates, the request code is being transmitted properly from the back door. In this case, there may be a problem related to the lock switch (connection between the back door opener switch assembly and certification ECU (smart key ECU assembly))...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Lost Communication With ECM/PCM "A" Missing Message (U010087,U012987,U014087,U015587,U016487,U023A87)

DESCRIPTION The meter mirror sub-assembly communicates with each ECU via CAN communication. DTC No. Detection Item DTC Detection Condition Trouble Area U010087 Lost Communication With ECM/PCM "A" Missing Message Diagnosis Condition: The ignition switch is ON IG power source voltage is 9...