Toyota Yaris: Stop And Start System / Problem Symptoms Table

Toyota Yaris XP210 (2020-2025) 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 (2020-2025) Reapir and Service Manual: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table...

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Vehicle Speed Sensor "A" No Signal (P050031)

DESCRIPTION Vehicles which are equipped with ABS (Anti-lock Brake System) detect the vehicle speed using the skid control ECU (brake actuator assembly) and speed sensors. Each speed sensor monitors the wheel rotation speed and sends a signal to the skid control ECU (brake actuator assembly)...