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: No Answer-Back

DESCRIPTION In some cases, wireless door lock control functions are normal but the hazard warning light do not operate. In such cases, hazard warning light outputs from the main body ECU (multiplex network body ECU) may be malfunctioning. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: The wireless door lock control system uses the CAN communication system...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Registration

REGISTRATION PROCEDURE 1. REPAIR INSTRUCTION CAUTION: As weak radio waves are emitted from the electrical key transmitter sub-assembly, if a pacemaker is being used, be sure to read the pacemaker instruction manual and the following. People with implantable cardiac pacemakers, cardiac resynchronization therapy-pacemakers or implantable cardioverter defibrillators should keep away from the Smart Key system antennas...