Toyota Yaris: Window Defogger System / Problem Symptoms Table

HINT:

• Inspect the fuses and relays related to this system before inspecting the suspected areas below.
• Use the table below to help determine the cause of problem symptoms. 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.

Operation Check

OPERATION CHECK CHECK WINDOW DEFOGGER SYSTEM (a) Turn the ignition switch to ON. (b) Check that the rear window defogger wire becomes warm by operating the rear window defogger switch of the air conditioning control assembly...

Terminals Of Ecu

TERMINALS OF ECU CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY *1 Power Distribution Box Assembly *2 Main Body ECU (Multiplex Network Body ECU) (a) Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly...

Other information:

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

SYSTEM DESCRIPTION OUTLINE OF THEFT DETERRENT SYSTEM The theft deterrent system can be set by locking the doors using any of the following operations: Entry lock operation Wireless lock operation Key linked lock operation By opening and closing the doors In the armed state, the alarm function will be activated if one of the following conditions is met: Any of the doors are unlocked...

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

INSTALLATION PROCEDURE 1. INSTALL SEMICONDUCTOR POWER INTEGRATION ECU NOTICE: Make sure the connector terminal is free from oil and grease. Do not subject the semiconductor power integration ECU to any impact. Do not use a semiconductor power integration ECU that has been dropped...