DESCRIPTION The air inlet damper servo motor 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 inlet damper to any position, which controls the intake air settings (FRESH, FRESH / RECIRCULATION and RECIRCULATION). HINT: Confirm that no mechanical problem is present because this diagnostic trouble code can be output when either a damper link or damper is mechanically locked.
WIRING DIAGRAM 
PROCEDURE
(a) Use the Data List to check if the air inlet servo motor is functioning properly. Air Conditioner
OK: The display is as specified in the normal condition. Result
(a) Temporarily replace the air inlet servo motor with a new one (see page
HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new one and check that the condition returns to normal.
(a) Clear the DTC (see page (b) Check for DTC (see page OK: DTC is not output.
(a) Replace the air conditioning harness.
(a) Clear the DTC (see page (b) Check for DTC again (see page OK: DTC is not output.
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Toyota Tundra Service Manual > Front Seat Outer Belt Assembly(for Double Cab): Precaution
PRECAUTION CAUTION: Replace the faulty parts of the seat belt systems (outer belt, inner belt, bolts, nuts, adjustable shoulder anchor, tether anchor hardware and other related parts). When inspecting a vehicle that was in a collision, be sure to check all of the seat belt systems regardless of whet ...
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