Toyota Yaris: Stop And Start System / Problem Symptoms Table

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Engine & Hybrid System / Stop And Start / Stop And Start System / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

Stop and Start System

Symptom	Suspected Area	Link
Stop and start system does not operate	Refer to "Stop and Start System does not Operate"
Stop and start system does not operate	Refer to "Stop and Start System does not Operate (Battery Condition)"
Restarting after a short period of time from an idling stop	Refer to "Restarting after a Short Period of Time from an Idling Stop"
After engine stops due to stop and start system, engine does not restart	Refer to "After Engine Stops due to Stop and Start System, Engine does not Restart"
Failure to restart from IG-ON engine stall	Refer to "Failure to Restart from IG-ON Engine Stall"
Stop and start cancel indicator does not operate	Combination meter assembly
	Indicator circuit (CAN communication system)
	Engine stop and start ECU
Stop and start indicator does not operate	Combination meter assembly
	Indicator circuit (CAN communication system)
	Engine stop and start ECU
Stop and start control cannot be canceled	ECAN terminal voltage
Stop and start control cannot be canceled	Stop and start cancel switch circuit
Multi-information display screen does not change after pressing steering pad switch assembly.	Stop and start priority control system
Multi-information display screen changes without pressing steering pad switch assembly.	Stop and start priority control system
Multi-information display screen does not change but control mode changes.	Stop and start priority control system
Multi-information display screen changes but control mode does not change.	Stop and start priority control system
Control mode returns to default mode after turning ignition switch to ON	Stop and start priority control system

Registration

REGISTRATION PROCEDURE 1. ECU EXCHANGE NOTICE: When replacing the engine stop and start ECU, make sure to download the number of starter operations (step 1)...

Terminals Of Ecu

TERMINALS OF ECU ENGINE STOP AND START ECU (a) Disconnect the engine stop and start ECU connectors. (b) Measure the resistance and voltage according to the value(s) in the table below...

Other information:

Toyota Yaris XP210 (2020-2026) Owner's Manual: Drive Selection

Drive Selection (Automatic Transaxle) Drive selection is a system to switch the vehicle’s drive mode. When the sport mode is selected, vehicle’s response against accelerator operation is enhanced. This provides additional quick acceleration which may be needed to safely make maneuvers such as lane changes, merging onto free ways, or passing other vehicles...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: System Description

SYSTEM DESCRIPTION DESCRIPTION The power steering system generates torque through the operation of the motor and the reduction gear installed on the column shaft in order to assist steering effort. The power steering ECU assembly determines the direction and the amount of assist power in accordance with the vehicle speed signals and signals from the torque sensor built into the electric power steering column sub-assembly...