Toyota Yaris: Networking / Network Gateway Ecu

Power Source Control System Missing Message (B278C87)

DESCRIPTION When an internal malfunction is detected in the certification ECU (smart key ECU assembly), this DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble Area B278C87 Power Source Control System Missing Message An internal malfunction occurs in the certification ECU (smart key ECU assembly)...

Components

COMPONENTS ILLUSTRATION *1 COWL SIDE TRIM BOARD RH *2 FRONT DOOR SCUFF PLATE RH *3 FRONT DOOR OPENING TRIM WEATHERSTRIP RH *4 GLOVE COMPARTMENT DOOR ASSEMBLY *5 LOWER NO...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the CXPI communication system. *: Use the GTS. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. INSPECT AUXILIARY BATTERY VOLTAGE (a) Measure the auxiliary battery voltage with the ignition switch off...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Vehicle Control History

VEHICLE CONTROL HISTORY NOTICE: Vehicle control history may be recorded due to the replacement or repair of related parts. CHECK VEHICLE CONTROL HISTORY (FRONT CAMERA SYSTEM) (a) According to the display on the GTS, check the vehicle control history. Chassis > Front Recognition Camera > Utility Tester Display Vehicle Control History (RoB) Vehicle Control History (RoB) Multi-information Display Code Tester Display Description Diagnostic Note Pre-Collision System Malfunction Visit Your Dealer X2000 Yaw Rate Sensor Malfunction The forward recognition camera received a yaw rate sensor malfunction signal from the skid control ECU (brake actuator assembly)...