ENGINE HINT: Perform these procedures after the engine has cooled down. INSPECT DRIVE BELT (a) Inspect the drive belt. 2GR-FKS: Click here
INSPECT ENGINE OIL (a) Inspect the engine oil. A25A-FXS: Click here 2GR-FKS: Click here
REPLACE ENGINE OIL AND OIL FILTER (a) Replace the engine oil and oil filter. A25A-FXS: Click here 2GR-FKS: Click here
INSPECT COOLING AND HEATER SYSTEM (a) Inspect that the radiator and condenser are not blocked with leaves, dirt or insects, and clean them if necessary. Also check the installation condition of the hoses and lines and the connecting parts for corrosion, etc. A25A-FXS: Click here 2GR-FKS: Click here INSPECT ENGINE COOLANT (a) Inspect the engine coolant. A25A-FXS: Click here
2GR-FKS: Click here
REPLACE ENGINE COOLANT (a) Replace the engine coolant. A25A-FXS: Click here 2GR-FKS: Click here
INSPECT SPARK PLUGS (a) Inspect the spark plugs. A25A-FXS: Click here 2GR-FKS: Click here
INSPECT AUXILIARY BATTERY (a) Inspect the auxiliary battery. A25A-FXS: Click here 2GR-FKS: Click here
INSPECT AIR CLEANER FILTER ELEMENT (a) Remove the air cleaner filter element. (b) Check that the air cleaner filter element is not excessively dirty.  If the air cleaner filter element is excessively dirty, replace the air cleaner filter element. (c) If cleaning the air cleaner filter element, blow compressed air as shown in the illustration to clean it. (d) Reinstall the air cleaner filter element. INSPECT EXHAUST PIPES AND MOUNTINGS (a) Visually check the pipes, hangers and connections for severe corrosion, leaks or damage. INSPECT FUEL TANK CAP GASKET (a) Inspect the fuel tank cap gasket. A25A-FXS: Click here 2GR-FKS: Click here
INSPECT FUEL LINES, CONNECTIONS, FUEL TANK VAPOR VENT SYSTEM HOSES, AND FUEL TANK BANDS (a) Visually check the fuel lines and hoses for cracks, leaks, loose connections, or deformation. (b) Check for tank band looseness or deformation. INSPECT CHARCOAL CANISTER (a) Inspect the charcoal canister. A25A-FXS: Click here
2GR-FKS: Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Seat Heater System(for Gasoline Model): System Description
SYSTEM DESCRIPTION FRONT SEAT HEATER (a) By operating the seat heater switch (radio and display receiver assembly), the temperature can be controlled within the range of 36 to 44°C (96.8 to 111.2°F). HINT: The operating temperature range is that detected by the thermistor, not at the seat surface. ...
