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: Fail-safe Chart

FAIL-SAFE CHART If any of the following DTCs are stored, the ECM enters fail-safe mode to allow the vehicle to be driven temporarily or stops fuel injection. DTC Code Component Fail-Safe Operation Fail-Safe Deactivation Condition P001100 P001200 VVT system Intake VVT maximum retarded contact...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Recirculated/Fresh Air Modes Switch without User Input

DESCRIPTION If recirculation/fresh mode changes unintentionally and without permission, the following causes are possible. Symptom Factor Recirculation/fresh mode changes without permission Recirculation/fresh mode light blinks Customize setting Change in ambient air temperature Decrease in refrigerant pressure Air conditioner pressure sensor circuit malfunction Engine coolant temperature (high) PROCEDURE 1...