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): Air Mix Damper Control Servo Motor Circuit (Passenger Side) (B1441/41)
DESCRIPTION The air mix damper servo motor (for passenger side) sends pulse signals to inform the air conditioning amplifier of the damper position. The air conditioning amplifier activates the motor (normal, reverse) based on the signals to move the air mix damper (for passenger side) to any positi ...