Back Door Power Window Control System: Inspection

WARNING: This page is about a different car, the 2002 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.

Inspect back door power window switch continuity :

Fig 1: Testing Back Door Power Window Switch
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Back Door Power Window Switch Specifications
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the switch.
Inspect back door control switch continuity :

Fig 3: Testing Back Door Control Switch
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 4: Back Door Control Switch Specifications
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the switch.
Inspect window limit switch continuity :

Fig 5: Testing Window Limit Switch
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 6: Window Limit Switch Specifications
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the back door power window regulator assembly.
Inspect back door power window motor operation :
1. Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 1 and check that the motor turns counter clockwise.
  
  Fig 7: Testing Back Door Power Window Motor (1 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2 and check that the motor turns clockwise.
  
  Fig 8: Testing Back Door Power Window Motor (2 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If operation is not as specified, replace the back door power window motor.