Toyota Highlander Service Manual: Diagnostics

Preparation

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Engine control system

PREPARATION Recomended Tools Equipment ...

More about Toyota Highlander:

Before refueling the vehicle
Close all the doors and windows, and turn the engine switch to the "lock" position (vehicles without a smart key system) or off (vehicles with a smart key system). Confirm the type of fuel. Fuel types Unleaded gasoline (octane rating 87 [research octane number 91] or higher) ...