Toyota Yaris: Power Integration System / Problem Symptoms Table

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Power Source & Network / Power Distribution / Power Integration System / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of the problem symptom. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Semiconductor Power Integration ECU

Symptom	Suspected Area	Link
LED headlight does not illuminate	Lighting system
Daytime running light does not illuminate	Lighting system
Fog lights do not illuminate	Lighting system

Power Distribution Box Assembly

Symptom	Suspected Area	Link
Rear taillights does not illuminate	Lighting system
Back-up light does not illuminate	Lighting system
Rear lights do not illuminate	Lighting system
Rear defogger does not operate	Window Defogger System
Panel lights do not illuminate	Lighting system
Mirror heater does not operate	Power Mirror Control System
Power retract mirror does not operate	Power Mirror Control System
Driver side seat heater does not operate (w/ Front Seat Heater)	Seat heater system
Front passenger side seat heater does not operate (w/ Front Seat Heater)	Seat heater system
Driver side seat belt warning light does not operate	Seat Belt Warning System
Front passenger side seat belt warning light does not operate	Seat Belt Warning System

Utility

U..

Terminals Of Ecu

TERMINALS OF ECU NOTICE: After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal...

Other information:

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: No Answer-Back

DESCRIPTION In some cases, wireless door lock control functions are normal but the hazard warning light do not operate. In such cases, hazard warning light outputs from the main body ECU (multiplex network body ECU) may be malfunctioning. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: The wireless door lock control system uses the CAN communication system...

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

INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. INSTALL FRONT LOWER COIL SPRING INSULATOR (a) Install the front lower coil spring insulator to the front shock absorber assembly...