Toyota Highlander Service Manual: Power door lock control system

Theft deterrent & door lock

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Precaution

1. NOTICES FOR REMOVAL AND INSTALLATION OPERATION (a) When performing operation related to the door lock system and door lock key cylinder, be sure to disconnect the battery terminal or the connec ...

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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 ...