Toyota Yaris: Owner Maintenance / Engine Oil

Engine Compartment Overview

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Recommended Oil

Use SAE 0W-20 engine oil. Toyota Genuine Motor Oil is used in your Toyota vehicle. Toyota Genuine Motor Oil 0W-20 is required to achieve optimum fuel economy...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Certification ECU Communication Stop Mode

DESCRIPTION Detection Item Symptom Trouble Area Certification ECU Communication Stop Mode Communication stop for "Certification (Smart) and/or Power Management" is indicated on the "Communication Bus Check" screen of the GTS. Certification ECU (smart key ECU assembly) branch line or connector Power source circuit of certification ECU (smart key ECU assembly) Certification ECU (smart key ECU assembly) ground circuit Certification ECU (smart key ECU assembly) WIRING DIAGRAM CAUTION / NOTICE / HINT CAUTION: When performing the confirmation driving pattern, obey all speed limits and traffic laws...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Engine Difficult to Start

DESCRIPTION Problem Symptom Suspected Area Trouble Area Engine does not crank Engine cranks slowly Auxiliary battery depletion Starter malfunction Starter system Auxiliary battery depletion Starter malfunction Starter circuit Excessive engine friction Engine Engine assembly Starting time is long Engine speed fluctuation due to abnormal combustion Idle speed too low or high The engine stalls immediately after starting Strong engine vibration due to above symptoms Ignition malfunction Deviation in air fuel ratio (Excessive or insufficient intake air volume or fuel supply) Insufficient compression Changes in load from another system Ignition system Spark plug Ignition coil assembly Fuel system Direct fuel injector assembly Port fuel injector assembly Fuel pump assembly (for high pressure side) Fuel pump (for low pressure side) Fuel pump control circuit Fuel suction plate sub-assembly Fuel main valve assembly Fuel line Purge VSV system Fuel quality (existence of foreign matter, degradation) Intake and exhaust systems Mass air flow meter sub-assembly Intake system (Air leaks or deposit accumulation) Throttle body with motor assembly Air fuel ratio sensor (sensor 1) Air fuel ratio sensor (sensor 2) Cam timing oil control solenoid assembly Variable Valve Timing system (VVT system) Other control systems ECM Wire harness or connector Knock control sensor Engine coolant temperature sensor Immobiliser system Engine Water control valve Engine assembly Crankshaft position sensor High load from another system Air conditioning system Power steering system Electrical load signal system SYMPTOM AND CAUSE OF SYSTEM MALFUNCTION HINT: The following are descriptions of the characteristics of each system malfunction...