Toyota Yaris: Power Integration System / Parts Location

Precaution

PRECAUTION PRECAUTION FOR SEMICONDUCTOR POWER INTEGRATION ECU (a) Do not remove or install the semiconductor power integration ECU and power distribution box assembly with the negative (-) auxiliary battery terminal connected...

System Diagram

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Other information:

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: All Door Entry Lock/Unlock Functions do not Operate, but Wireless Functions Operate

DESCRIPTION When the wireless operation can be used to lock and unlock the doors, communication between the smart door control receiver assembly and certification ECU (smart key ECU assembly) is normal. If the entry lock and unlock functions do not operate, the entry cancel function may be set through the customize function, there may be communication problems between the electrical key transmitter sub-assembly and vehicle, or there may be wave interference...

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Operation Check

OPERATION CHECK CHECK CUSTOMIZE PARAMETERS (a) The operation check below is based on the non-customized initial condition of the vehicle. Click here CHECK PUSH-BUTTON START FUNCTION (a) Check the push-button start function: (1) Get into the vehicle while carrying the electrical key transmitter sub-assembly with the ignition switch off, check that the key indicator display is displayed when the clutch pedal is depressed...