Toyota Yaris: If Trouble Arises / Emergency Towing

Overheating

If the high engine coolant temperature warning light turns on, the vehicle loses power, or you hear a loud knocking or pinging noise, the engine is probably too hot...

Towing Description

We recommend that towing be done only by your Toyota dealer or a commercial tow-truck service. Proper lifting and towing are necessary to prevent damage to the vehicle...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Backup Boost Converter Circuit

DESCRIPTION A backup boost converter is built into the engine stop and start ECU. The backup boost converter helps maintain the power source voltage when the engine is restarted by stop and start control. This prevents various functions such as the audio and visual system from malfunctioning if the power source voltage drops due to the auxiliary battery voltage dropping when the engine is restarted by stop and start control...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Humidity/Rain Sensor Missing Message (B127987)

DESCRIPTION The main body ECU (multiplex network body ECU) and rain sensor communicate via LIN communication. The main body ECU (multiplex network body ECU) stores this DTC if communication becomes abnormal. DTC No. Detection Item DTC Detection Condition Trouble Area Memory DTC Output from B127987 Humidity/Rain Sensor Missing Message Auxiliary battery voltage is 9...