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POWER WINDOW SYSTEM CIRCUIT

Fig 1: Identifying Power Window Inner Circuits & Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSY

Fig 2: Identifying Power Window Regulator Master Switch Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Inspect the master switch continuity.
  [Driver's switch (Window unlock & lock)]
  
  Standard:
  
  Fig 3: Master Switch [Driver's Switch (Window Unlock & Lock)] Continuity Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  [Front passenger's switch (Window unlock)] Standard:
  
  Fig 4: Master Switch [Front Passenger'S Switch (Window Unlock)] Continuity Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  [Front passenger's switch (Window lock)] Standard:
  
  Fig 5: Master Switch [Front Passenger'S Switch (Window Lock)] Continuity Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  [Rear left switch (Window unlock)] Standard:
  
  Fig 6: Master Switch [Rear Left Switch (Window Unlock)] Continuity Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  [Rear left switch (Window lock)] Standard:
  
  Fig 7: Master Switch [Rear Left Switch (Window Lock)] Continuity Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  [Rear right switch (Window unlock)] Standard:
  
  Fig 8: Master Switch [Rear Right Switch (Window Unlock)] Continuity Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  [Rear right switch (Window lock)] Standard:
  
  Fig 9: Master Switch [Rear Right Switch (Window Lock)] Continuity Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the result is not as specified, replace the master switch.
2. Inspect the master switch illumination.
Standard:

Fig 11: Master Switch Illumination Specified Condition Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the result is not as specified, replace the master switch.
INSPECT POWER WINDOW REGULATOR SWITCH ASSY
1. Inspect the front passenger's regulator switch continuity.
  
  Fig 12: Identifying Front Passenger'S Regulator Switch Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standard:
  
  Fig 13: Front Passenger'S Regulator Switch Terminals Continuity Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the result is not as specified, replace the regulator switch.
INSPECT POWER WINDOW REGULATOR SWITCH ASSY REAR
1. Inspect the rear regulator switch continuity.
Standard:

Fig 15: Rear Regulator Switch Terminals Continuity Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the result is not as specified, replace the regulator switch.
INSPECT POWER WINDOW REGULATOR MOTOR
1. Inspect the regulator motor operation.
  
  Fig 16: Inspecting Regulator Motor Operation
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply: