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: Components

COMPONENTS ILLUSTRATION *1 FRONT NO. 1 VENTILATOR SEAL *2 WATER GUARD PLATE RH *3 OUTER COWL TOP PANEL SUB-ASSEMBLY - - N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION *1 BRAKE MASTER CYLINDER O-RING *2 BRAKE MASTER CYLINDER SUB-ASSEMBLY *3 CONNECTOR *4 NO...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Terminals Of Ecu

TERMINALS OF ECU CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (a) Disconnect the H45 and H46 certification ECU (smart key ECU assembly) connectors. (b) Measure the resistance and voltage according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the connector disconnected...