Power Window Control System: Inspection

WARNING: This page is about a different car, the 2002 Toyota MR2. However, it is still accessible from the selected car via links, so may be relevant.

Driver's side:
INSPECT POWER WINDOW CONTROL SWITCH CONTINUITY

If continuity is not as specified, replace the switch.

Fig 1: Identifying Power Window Control Switch Terminals (Driver)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Identifying Power Window Control Switch Test Parameters (Driver)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Passenger's side:
INSPECT POWER WINDOW CONTROL SWITCH CONTINUITY

If continuity is not as specified, replace the switch.

Fig 3: Identifying Power Window Control Switch Terminals (Passenger)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 4: Identifying Power Window Control Switch Test Parameters (Passenger)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Only for passenger's power window:
INSPECT POWER WINDOW LOCK SWITCH CONTINUITY

If continuity is not as specified, replace the switch.

Fig 5: Identifying Power Window Lock Switch Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 6: Identifying Power Window Lock Switch Test Parameters
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Driver's door:
INSPECT POWER WINDOW MOTOR OPERATION
1. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, check that the motor turns clockwise.
  
  Fig 7: Testing Driver's Power Window Motor (Clockwise Direction)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Reverse the polarity, check that the motor turns counterclockwise.
  
  Fig 8: Testing Driver's Power Window Motor (Counter-Clockwise Direction)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If operation is not as specified, replace the motor.
Passenger's door:
INSPECT POWER WINDOW MOTOR OPERATION
1. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, check that the motor turns clockwise.
  
  Fig 9: Testing Passenger's Power Window Motor (Clockwise Direction)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Reverse the polarity, check that the motor turns counterclockwise.
  
  Fig 10: Testing Passenger's Power Window Motor (Counter-Clockwise Direction)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If operation is not as specified, replace the motor.
Driver's door:
INSPECT POWER WINDOW MOTOR PTC OPERATION
1. Disconnect the B6 connector from the body ECU.
2. Connect the positive (+) lead from the battery to terminal 5 and the negative (-) lead to terminal 4 on the wire harness side connector, and raise the window to fully closed position.
  
  Fig 11: Checking Driver's Power Window Circuit Breaker (Window UP)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Continue to apply voltage, check that a circuit breaker operation noise is heard within approximately 4 to 90 seconds.
4. Reverse the polarity, check that the window begins to descend within approximately 60 seconds.
  
  Fig 12: Checking Driver's Power Window Circuit Breaker (Window DOWN)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If operation is not as specified, replace the motor.
Passenger's door:
INSPECT POWER WINDOW MOTOR PTC OPERATION
1. Disconnect the connector from the power window switch.
2. Connect the positive (+) lead from the battery to terminal 3 and the negative (-) lead to terminal 1 on the wire harness side connector, and raise the window to fully closed position.
  
  Fig 13: Checking Passenger's Power Window Circuit Breaker (Window UP)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Continue to apply voltage, check that circuit breaker operation noise is head within approximately 4 to 90 seconds.
4. Reverse the polarity, check that the window begins to descend within approximately 60 seconds.
  
  Fig 14: Checking Passenger's Power Window Circuit Breaker (Window DOWN)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If operation is not as specified, replace the motor.