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Step 5 - Inspect Door Key Lock Motor Operation

WARNING: This page is about a different car, the 2002 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect the positive (+) lead from the battery to terminal 3 and the negative (-) lead to terminal 2, and check that the door lock link moves to UNLOCK position.
    Fig 1: Testing Door Key Lock Motor (1 Of 2)
    G01897866Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Reverse the polarity and check that the door lock link moves to LOCK position.
    Fig 2: Testing Door Key Lock Motor (2 Of 2)
    G01897867Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If operation is not as specified, replace the door lock assembly.