Tacoma

Toyota Tacoma 2015-2018 Air Conditioning Workshop Manual

(a) Inspect the servo motor operation.
(1) Connect the positive (+) lead from the battery to terminal 7
(MHD) and negative (-) lead to terminals 1 (SG), then check
that the shaft rotates clockwise smoothly.
(2) Connect the positive (+) lead from the battery to terminal 6
(MCD) and negative (-) lead to terminal 1 (SG) then check
that the shaft rotates counterclockwise smoothly.
If the operations are not as specified, replace the air mix
control servo motor.
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