W/ Memory System

Connect the positive (+) lead from the battery to terminal 1 and negative (-) lead to terminal 2, then check that the mirror turns to left side. See Fig 1.
Reverse polarity and check that the mirror turns to right side. See Fig 1.
Connect the positive (+) lead from the battery to terminal 3 and negative (-) lead to terminal 2, then check that the mirror turns upward. See Fig 2.

Fig 1: Inspecting Mirror Motor With Position Memory (1 Of 2)
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Fig 2: Inspecting Mirror Motor With Position Memory (2 Of 2)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Reverse polarity and check that the mirror turns downward. See Fig 2.