Toyota Highlander Service Manual: Cooling fan system (2AZ-FE)

Inspection

1. INSPECT THERMOSTAT HINT: The thermostat is numbered with the valve opening temperature is stamped on the thermostat. (a) Immerse the thermostat in water and gradually heat the water. ...

On-vehicle inspection

HINT: The cooling fan may rotate when the ignition switch is turned from ACC to ON. This is normal. 1. CHECK COOLING FAN OPERATION WITH LOW TEMPERATURE (Below 83 C (181 F)) (a) Turn the ignition ...

More about Toyota Highlander:

Engine coolant
The coolant level is satisfactory if it is between the “full” and “low” lines on the reservoir when the engine is cold. Reservoir cap “full” line “low” line If the level is on or below the “low” line, add coolant up to the “full” line. Coolant selection On ...