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 (2020-2025) Reapir and Service Manual: System Description

SYSTEM DESCRIPTION BRIEF DESCRIPTION (a) The Controller Area Network (CAN) is a serial data communication system for real time application. It is a vehicle multiplex communication system which has a high communication speed and the ability to detect malfunctions...

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Parts Location

PARTS LOCATION ILLUSTRATION *1 SEMICONDUCTOR POWER INTEGRATION ECU *2 ENGINE ROOM RELAY BLOCK - STD P/I NO. 1 FUSE - INP STD NO. 1-1 FUSE - WASHER FUSE *3 LIGHT CONTROL LED ECU RH *4 LIGHT CONTROL LED ECU LH ILLUSTRATION *1 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) *2 POWER DISTRIBUTION BOX ASSEMBLY - ECU-IGR NO...