Toyota Yaris: Steering / Steering Column

EPS Warning Light Circuit

DESCRIPTION Use the following procedure if no DTCs are output but the EPS warning light is illuminated continuously. The power steering ECU assembly controls the warning light in the combination meter assembly via CAN communication...

Heated Steering Wheel System

..

Other information:

Toyota Yaris XP210 (2020-2023) Reapir and Service Manual: Brake System Control Module "A" System Voltage System Voltage Low (C137BA2)

DESCRIPTION If a malfunction is detected in the power supply circuit, the skid control ECU (brake actuator assembly) stores this DTC and the fail-safe function prohibits ABS operation. This DTC is stored when the +BS terminal voltage meets one of the DTC detection conditions due to a malfunction in the power supply or charging circuit such as the auxiliary battery or alternator circuit, etc...

Toyota Yaris XP210 (2020-2023) Owner's Manual: Event Data Recorder

This vehicle is equipped with an event data recorder (EDR). The main purpose of an EDR is to record, in certain crash or near crash-like situations, such as an air bag deployment or hitting a road obstacle, data that will assist in understanding how a vehicle’s systems performed...