Toyota Yaris: Networking / Network Gateway Ecu
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 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:
DESCRIPTION When the mirror heater switch (rear window defogger switch) is operated, the RR DEF relay drive request signal is sent to the air conditioning amplifier assembly and then to main body ECU (multiplex network body ECU) via CAN communication...
Warning Light
The warning light turns on when the system has a malfunction.
Refer to Warning Lights.
Transaxle Ranges
The shift position indicator light in the combination
meter illuminates. Refer to Warning/Indicator Lights.
The selector lever must be in P or N to operate the
starter...
Categories
The fuel gauge shows approximately how much fuel is remaining in
the tank when the ignition is switched ON. We recommend keeping
the tank over 1/4 full.

Full
1/4 Full
Empty
read more