Power Window Control System: Inspection

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
  NOTE:
  - Driver's side and rear RH regulator motors should be inspected in the same procedure.
  - Passenger's side and rear LH regulator motors should be inspected in the same procedure.
  1. Check that the motor operates smoothly when the battery positive voltage is applied to each terminal of the connector.
  Standard [Driver's side and rear RH side]:
  
  Fig 17: Regulator Motor Operational Direction Chart [Driver'S Side & Rear RH Side]
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standard [Front passenger's side and rear LH side]:
  
  Fig 18: Regulator Motor Operational Direction Chart [Front Passenger'S Side & Rear LH Side]
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the result is not as specified, replace the motor.
2. Inspect the PTC operation inside the regulator motor.
  NOTE: The inspection should be performed with the power window regulator and door glass installed to the vehicle.
  1. Set a DC 400 A probe of the TOYOTA electrical tester in the wire harness of terminal 4 or 5.
    NOTE: Match the arrow mark of the probe with the current direction.
  2. Set the door glass in the fully closed position.
  3. When 60 seconds have elapsed after the door glass is fully closed, check how long it takes for the current to change from approximately 16 - 34 A into 1 A or less when the power window switch is turned UP once again.
    Standard: Approximately 4 - 90 seconds
  4. When approximately 60 seconds have elapsed after the inspection of the current cut-off, check that the door glass goes down when the power window regulator switch is turned DOWN.
If the result is not as specified, replace the motor.
INSPECT RELAY (Making: P/W)
1. Remove the power window relay from the instrument panel J/B.
2. Inspect the power window relay.
Standard:

Fig 22: Power Window Relay Terminals Continuity Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the result is not as specified, replace the relay.