Toyota Highlander Service Manual: Fuel

Engine control system

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Emission control

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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 WITH 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 sen ...