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: Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Check the DTCs. Body Electrical > Master Switch > Trouble Codes Body Electrical > D-Door Motor > Trouble Codes Body Electrical > P-Door Motor > Trouble Codes (b) Check the details of the DTCs. Click here CLEAR DTC (a) Clear the DTCs...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Headlight LH Circuit (B243900,B243A00)

DESCRIPTION The light control LED ECU supplies internally boosted voltage to the light control LED ECU LH so that the current supplied to the LED is always maintained at a constant value. These DTCs are also output when the main body ECU (multiplex network body ECU) detects malfunctions while monitoring the applied voltage...