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: Lost Communication with Alternator Missing Message (P161A87)

DESCRIPTION The ECM communicates with the generator assembly via LIN communication. If a LIN communication error is detected, the ECM stores this DTC. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note P161A87 Lost Communication with Alternator Missing Message Generator assembly or ECM communication stops for approximately 17 minutes or more with the ignition switch ON (1 trip detection logic) Wire harness or connector Generator assembly ECM Comes on SAE Code: P161A WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following inspection procedure...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: IGR Diode Stuck Off (B235A9F)

DESCRIPTION This DTC is output when a diode failure between the IGP input and the IGR input in the power distribution box assembly is detected. DTC No. Detection Item DTC Detection Condition Trouble Area B235A9F IGR Diode Stuck Off At the time of IGP input state ON, an IGR input state continues OFF state for three consecutive trips...