Toyota Yaris: Sfi System / System Diagram

Definition Of Terms

DEFINITION OF TERMS Term Definition Monitor Description Description of what the ECM monitors and how it detects malfunctions (monitoring purpose and details)...

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: *: Use the GTS. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS NEXT 3...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Software Incompatibility with Body Control Module Invalid/Incompatible Software Component (U032257)

DESCRIPTION The millimeter wave radar sensor assembly receives vehicle specification information from the main body ECU (multiplex network body ECU) and ECM via the CAN communication line. If the vehicle specification information stored in the millimeter wave radar sensor assembly does not match the vehicle specification information sent from the main body ECU (multiplex network body ECU) and ECM, the millimeter wave radar sensor assembly stores DTC U032257...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: ECM Communication Stop Mode

DESCRIPTION Detection Item Symptom Trouble Area ECM Communication Stop Mode Communication stop for "ECM (Engine)" is indicated on the "Communication Bus Check" screen of the GTS. Click here ECM main line or connector Power source circuit of ECM ECM ground circuit ECM WIRING DIAGRAM CAUTION / NOTICE / HINT CAUTION: When performing the confirmation driving pattern, obey all speed limits and traffic laws...