Power Window Control System: Inspection

Front Driver's Switch 

Fig 2: Front Driver's Switch Continuity Table

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Front Passenger's Switch 

Fig 3: Front Passenger's Switch Continuity Table

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Rear Left Switch 

Fig 4: Left Rear Switch Continuity Table

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Rear Right Switch 

Fig 5: Right Rear Switch Continuity Table

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

1. Set the window lock switch to the unlock position.
2. Connect the positive (+) lead from the battery to terminal 18 and the negative (-) lead to terminal 10, and check that all the illuminations light up.
   Fig 6: Inspecting Master Power Window Switch Illumination

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3. Set the window lock switch to the lock position.
4. Connect the positive (+) lead from the battery to terminal 8 and the negative (-) lead to terminal 10, and check that all the illuminations does not light up.

   If operation is not as specified, replace the master switch.

   Fig 7: Inspecting Master Power Window Switch Does Not Illuminate

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Fig 8: Passengers Front Window Switch Continuity Table

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If continuity is not as specified, replace the switch.

Fig 9: Identifying Power Window Switch Terminals

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1. Connect the positive (+) lead from the battery to terminal 5 and the negative (-) lead to terminal 4, and check that the motor turns clockwise.
   Fig 10: Inspecting Power Window Motor Operation

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2. Reverse the polarity, check that the motor turns counter-clockwise.

   If operation is not as specified, replace the motor.

   Fig 11: Inspecting Power Window Motor Operation (Counter-Clockwise)

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1. Connect the positive (+) lead from the battery to terminal 5 and the negative (-) lead to terminal 4, and check that the motor turns clockwise.
   Fig 12: Inspecting Power Window Motor Operation

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2. Reverse the polarity, check that the motor turns counter-clockwise.

   If operation is not as specified, replace the motor.

   Fig 13: Inspecting Power Window Motor Operation (Counter-Clockwise)

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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 14: Inspecting Power Window Motor Operation

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2. Reverse the polarity check that the motor turns counter-clockwise.

   If operation is not as specified, replace the motor.

   HINT:

   Since the jam protection may not work properly be sure to conduct procedures described in "How to Reset Power Window Motor (Reset switch and pulse switch)" after this inspection.

   Fig 15: Inspecting Power Window Motor Operation (Counter-Clockwise)

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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 16: Inspecting Power Window Motor Operation

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2. Reverse the polarity check that the motor turns counter-clockwise.

   If operation is not as specified, replace the motor.

   HINT:

   Since the jam protection may not work properly be sure to conduct procedures described in "How to Reset Power Window Motor (Reset switch and pulse switch)" after this inspection.

   Fig 17: Inspecting Power Window Motor Operation (Counter-Clockwise)

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1. Disconnect the connector from the Driver door Window motor.
2. Connect the positive (+) lead from the ammeter to terminal 5 on the wire harness side connector and the negative (-) lead to negative terminal of the battery.
   Fig 18: Inspecting Front Power Window Motor PTC Thermistor Operation (Window Up)

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3. Connect the positive (+) lead from the battery to terminal 4 on the wire harness side connector, and raise the window to the fully position.
4. Continue to apply voltage, and check that the current changes to less than 1 A within 4 to 90 seconds.
5. Disconnect the leads from the terminals.
6. Approximately 60 seconds later, connect the positive (+) lead from the battery to terminal 5 and the negative (-) lead to terminal 4, and check that the window begins to descend.

   If operation is not as specified, replace the motor.

   Fig 19: Inspecting Front Power Window Motor PTC Thermistor Operation (Window Down)

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1. Disconnect the connector from the Rear LH door ECU.
2. Connect the positive (+) lead from the ammeter to terminal 1 on the wire harness side connector and the negative (-) lead to negative terminal of the battery.
3. Connect the positive (+) lead from the battery to terminal 2 on the wire harness side connector, and raise the window to the fully position.
   Fig 20: Inspecting Left Rear Power Window Motor PTC Thermistor Operation (Window Up)

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4. Continue to apply voltage and check that the current changes to less than 1 A within 4 to 90 seconds.
5. Disconnect the leads from the terminals.
6. Approximately 60 seconds later, connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, and check that the window begins to descend.

   If operation is not as specified, replace the motor.

   Fig 21: Inspecting Left Rear Power Window Motor PTC Thermistor Operation (Window Down)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the connector from the Rear RH door ECU.
2. Connect the positive (+) lead from the ammeter to terminal 2 on the wire harness side connector and the negative (-) lead to negative terminal of the battery.
3. Connect the positive (+) lead from the battery to terminal 1 on the wire harness side connector, and raise the window to the fully position.
   Fig 22: Inspecting Right Rear Power Window Motor PTC Thermistor Operation (Window Up)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Continue to apply voltage and check that the current changes to less than 1 A within 4 to 90 seconds.
5. Disconnect the leads from the terminals.
6. Approximately 60 seconds later, connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 1, and check that the window begins to descend.

   If operation is not as specified, replace the motor.

   Fig 23: Inspecting Right Rear Power Window Motor PTC Thermistor Operation (Window Down)

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1. Connect the positive (+) lead from the ohmmeter to terminal 2 and the negative (-) lead to terminal 3.
2. Connect the positive (+) lead from the battery to terminal 4 and the negative (-) lead to terminal 5.
3. Check that the continuity exists when the window goes up.
   Fig 24: Inspecting Drivers JAM Protection Limit Switch Operation (Window Up)

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4. Check that the no continuity exists when the window is in the fully closed position.
   NOTE: If connecting the wire harness wrongly, the sensor might be damaged so caution is necessary.