PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary. Window Defogger System
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Toyota Tundra Service Manual > Air Conditioning System(for Automatic Air Conditioning System): Actuator Check
ACTUATOR CHECK 1. ACTUATOR CHECK (a) Turn the ignition switch ON while pressing the A/C control AUTO switch and Recirculation / Fresh switch simultaneously. (b) Press the Recirculation / Fresh switch. (c) As each damper, motor and relay automatically operate the actuator check at 1 second intervals ...
