Section 519 (Power Window Control System (Double Cab)): Inspection

WARNING: This page is about a different car, the 2006 Toyota Tundra and 2005 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT POWER WINDOW REGULATOR SWITCH CONTINUITY

SWITCH POSITION AND TESTER CONNECTION SPECIFICATION (1 OF 2)

Switch Position	Tester Connection	Specified Condition
UP	2 - 3, 4 - 5	Continuity
OFF	2 - 3 - 5	Continuity
DOWN	2 - 4, 3 - 5	Continuity

If the continuity is not as specified, replace the switch.

Fig 1: Inspecting Power Window Switch

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSPECT POWER MAIN RELAY CONTINUITY

SWITCH POSITION AND TESTER CONNECTION SPECIFICATION (2 OF 2)

Tester Connection	Specified Condition
3 - 5	No continuity
3 - 5	Continuity (When battery voltage is applied to terminals 1 and 2)

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

Fig 2: Inspecting Power Main Relay

Driver side door:
INSPECT POWER WINDOW MOTOR OPERATION
1. 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 3: Inspecting Power Window Motor Operation
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Reverse the polarity and check that the motor turns counterclockwise.
If operation is not as specified, replace the motor.

Fig 4: Checking Motor Turns Counterclockwise
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Passenger side door:
INSPECT 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 clockwise.
  
  Fig 5: Inspecting Power Window Motor Operation (Passenger Side Door)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Reverse the polarity and check that the motor turns counterclockwise.
If operation is not as specified, replace the motor.

Fig 6: Checking Motor Turns Counterclockwise Reverse Polarity
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Rear right door:
INSPECT POWER WINDOW MOTOR OPERATION
1. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminals 2, then check that the motor turns clockwise.
  
  Fig 7: Inspecting Power Window Motor Operation (Rear Right Door)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Reverse the polarity, and check that the motor turns counterclockwise.
If operation is not as specified, replace the motor.

Fig 8: Checking Motor Turns Counterclockwise, Reverse Polarity
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Rear left door:
INSPECT POWER WINDOW MOTOR OPERATION
1. Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 1, then check that the motor turns clockwise.
  
  Fig 9: Inspecting Power Window Motor Operation (Rear Left Door)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Reverse the polarity and check that the motor turns counterclockwise.
If operation is not as specified, replace the motor.

Fig 10: Checking Motor Turns Counterclockwise, Reverse Polarity
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Driver side door:
INSPECT POWER WINDOW MOTOR PTC THERMISTOR OPERATION
1. Disconnect the connector from the motor.
2. Connect the positive (+) lead from the ammeter to terminal 1 of the motor side connector and the negative (-) lead to negative terminal of the battery.
3. Connect the positive (+) lead from the battery to terminal 2 of the motor side connector, and raise the window to the fully closed position.
  
  Fig 11: Inspecting Power Window Motor PTC Thermistor Operation (Driver Side Door)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Continue to apply voltage and check that the current changes from approximately 14 A to less than 1 A within 4 to 90 seconds.
5. Disconnect the leads from the terminals.
6. Approximately 90 seconds later, connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, then check that the window begins to move down.
If operation is not as specified, replace the motor.

Fig 12: Connecting (+) Lead From Battery To Terminal 1 And (-) Lead To Terminal 2
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Passenger side door:
INSPECT POWER WINDOW MOTOR PTC THERMISTOR OPERATION
1. Disconnect the connector from the motor.
2. Connect the positive (+) lead from the ammeter to terminal 2 of the motor connector and the negative (-) lead to negative terminal of the battery.
3. Connect the positive (+) lead from the battery to terminal 1 of the motor connector, and raise the window to the fully closed position.
  
  Fig 13: Inspecting Power Window Motor PTC Thermistor Operation (Passenger Side Door)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Continue to apply voltage and check that the current changes from approximately 14 A to less than 1 A within 4 to 90 seconds.
5. Disconnect the leads from the terminals.
6. Approximately 90 seconds later, connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 1, then check that the window begins to move down.
If operation is not as specified, replace the motor.

Fig 14: Connecting (+) Lead From Battery To Terminal 2 And (-) Lead To Terminal 1
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Rear left door:
INSPECT POWER WINDOW MOTOR PTC THERMISTOR OPERATION
1. Disconnect the connector from the motor.
2. Connect the negative (+) lead from the ammeter to terminal 1 of the motor connector and the negative (-) lead to negative terminal of the battery.
3. Connect the positive (+) lead from the battery to terminal 2 of the motor connector, and raise the window to the fully closed position.
  
  Fig 15: Inspecting Power Window Motor PTC Thermistor Operation (Rear Left Door)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Continue to apply voltage and check that the current changes from approximately 14 A to less than 1 A within 4 to 90 seconds.
5. Disconnect the leads from the terminals.
6. Approximately 90 seconds later, connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, then check that the window begins to move down.
If operation is not as specified, replace the motor.

Fig 16: Connecting (+) Lead From Battery To Terminal 1 And (-) Lead To Terminal 2
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Rear right door:
INSPECT POWER WINDOW MOTOR PTC THERMISTOR OPERATION
1. Disconnect the connector from the motor.
2. Connect the negative (+) lead from the ammeter to terminal 2 of the motor connector and the negative (-) lead to negative terminal of the battery.
3. Connect the positive (+) lead from the battery to terminal 1 of the motor connector, and raise the window to the fully closed position.
  
  Fig 17: Inspecting Power Window Motor PTC Thermistor Operation (Rear Right Door)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Continue to apply voltage and check that the current changes from approximately 14 A to less than 1 A within 4 to 90 seconds.
5. Disconnect the leads from the terminals.
6. Approximately 90 seconds later, connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 1, check that the window begins to move down.
If operation is not as specified, replace the motor.

Fig 18: Connecting (+) Lead From Battery To Terminal 2 And (-) Lead To Terminal 1
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002