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

Cooling

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On-vehicle inspection

1. INSPECT COOLING SYSTEM FOR LEAKS (a) Remove the radiator cap. CAUTION: Do not remove the radiator cap while the engine and radiator are still hot. Pressurized, hot engine coolant and steam ...

More about Toyota Highlander:

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 AT LOW TEMPERATURE (Below 83 C (181 F)) (a) Turn the ignition switch ON. (b) Check that the cooling fan stops. If not, check the cooling fan relay and ECT switc ...