Toyota Highlander Service Manual: Diagnostics

Preparation

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Engine control system

PREPARATION Recomended Tools Equipment ...

More about Toyota Highlander:

Emission inspection and maintenance (i/m) programs
Some states have vehicle emission inspection programs which include obd (on board diagnostics) checks. The obd system monitors the operation of the emission control system. If the malfunction indicator lamp comes on The obd system determines that a problem exists somewhere in the emission contr ...