Toyota Yaris: Manual Transaxle System / Check For Intermittent Problems

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, be sure to check that there are no malfunctions in the CAN communication system...

Road Test

ROAD TEST ROAD TEST (a) Check for DTCs. Click here Powertrain > Engine > Trouble Codes HINT: When DTCs are output, perform troubleshooting for each DTC...

Other information:

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

DESCRIPTION Detection Item Symptom Trouble Area Bus Buffer ECU Communication Stop Mode Communication stop for "Remote Engine Starter" is indicated on the "Communication Bus Check" screen of the GTS. Click here Option connector (bus buffer ECU) main line or connector CAN compatible optional device Main body ECU (multiplex network body ECU) WIRING DIAGRAM CAUTION / NOTICE / HINT CAUTION: When performing the confirmation driving pattern, obey all speed limits and traffic laws...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE If there are no DTCs output and the problem still occurs, check the suspected areas for each problem symptom in the order given in the following table and proceed to the relevant troubleshooting page. NOTICE: When replacing the skid control ECU (brake actuator assembly), sensors, etc...