Toyota Yaris: Power Integration System / Utility

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Power Source & Network / Power Distribution / Power Integration System / Utility

UTILITY

ALL READINESS

(a) Semiconductor power integration ECU

Body Electrical > Power Integration No.1 > Utility

Tester Display
All Readiness

(b) Power distribution box assembly

Body Electrical > Power Distribution Box > Utility

Tester Display
All Readiness

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the power integration system. *: Use the GTS. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2...

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...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: ECM Power Source Circuit

DESCRIPTION When the ignition switch is turned on (IG), the auxiliary battery voltage is applied to IGSW of the ECM. When the transistor in the MREL circuit operates, current flows from the auxiliary battery to ground through the drive circuit of the EFI-MAIN NO...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Brake Booster Pressure Sensor Circuit Short to Ground (P055511,P055515)

DESCRIPTION The engine stop and start ECU determines changes in the brake booster assembly pressure based on the voltage signal received from the vacuum sensor assembly in the brake booster assembly. If the engine stop and start ECU judges that the signal received from the vacuum sensor assembly is abnormal, it stores DTC P055511 or P055515 and blinks the stop and start cancel indicator...