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 (2020-2024) Reapir and Service Manual: ABS Pump Motor Control Circuit Open (C052C13,C052C49,C052F14)

DESCRIPTION The motor relay and motor fail safe relay are built into the brake actuator assembly. When the skid control ECU (brake actuator assembly) operate ABS, TRC, VSC or brake assist, the motor relay turns ON and drives the motor pump built into the brake actuator assembly...

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Backup Boost Converter Circuit

DESCRIPTION A backup boost converter is built into the engine stop and start ECU. The backup boost converter helps maintain the power source voltage when the engine is restarted by stop and start control. This prevents various functions such as the audio and visual system from malfunctioning if the power source voltage drops due to the auxiliary battery voltage dropping when the engine is restarted by stop and start control...