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Power Window Control System Toyota Echo I

Windows 39 illustrations ~1098 words

Note. For circuit isolation tables and troubleshooting procedures, see POWER WINDOW CONTROL SYSTEM. For circuit wiring diagrams, see SYSTEM WIRING DIAGRAMS.

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Scheme 1: LOCATION
Scheme 1: LOCATION

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Scheme 2: INSPECTION
Scheme 2: INSPECTION

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  1. 2 Door Models: Inspect Power Window Master Switch Continuity : If continuity is not as specified, replace the switch.
  2. 4 Door Models: Inspect Power Window Master Switch Continuity : If continuity is not as specified, replace the master switch.
  3. 2 Door Models: Inspect One Touch Power Window System (Using An Ammeter) : Disconnect the connector from the master switch. Connect the positive (+) lead from the ammeter to terminal 3 on the wire harness side connector and the negative (-) lead to the negative (-) terminal of the battery. Connect the positive (+) lead from the battery to terminal 4 on the wire harness side connector. As the window goes down, check that the current is approximately 7 A. NOTE: The circuit breaker opens for 7 - 13 seconds after the window stops going down, so that check must be made before the circuit breaker operates. Check that the current increases up to approximately 14.5 A or more when the window stops going down. If operation is not as specified, replace the master switch.
  4. 2 Door Models: Inspect One Touch Power Window System , (Using An Ammeter With A Current-Measuring Probe). Remove the master switch with connector connected. Attach a current-measuring probe to terminal 9 of the wire harness. Turn the ignition switch ON, and set the power window switch in the down position. As the window goes down, check that the current is approximately 7 A. NOTE: The circuit breaker opens for 7 - 13 seconds after the window stops going down, so that check must be made before the circuit beaker operates. Check that the current increases up to approximately 14.5 A or more when the window stops going down. If operation is not as specified, replace the master switch.
  5. 4 Door Models: Inspect One Touch Power Window System , (Using An Ammeter) Disconnect the connector from the master switch. Connect the positive (+) lead from the ammeter to terminal 1 on the wire harness side connector and the negative (-) lead to the negative terminal of the battery. Connect the positive (+) lead from tee battery to terminal 5 on the wire harness side connector. As the window goes down, check that the current flow is approximately 7 A. NOTE: The circuit breaker opens some 4-40 seconds after the window stops going down, so that check must be made before the circuit breaker operates. Check that the current increases up to approximately 14.5 A or more when the window stops going down. If the operation is as specified, replace the master switch.
  6. 4 Door Models: Inspect One Touch Power Window System (Using An Ammeter With A Current-Measuring Probe). Remove the master switch with connector connected. Attach a current-measuring probe to terminal 10 of the wire harness. Turn the ignition switch ON and set the power window switch in the down position. As the window goes down, check that the current flow is approximately 7 A. NOTE: The circuit breaker opens for 4-40 seconds after the window stops going down, so that check must be made before the circuit breaker operates. Check that the current increases up to approximately 14.5 A or more when the window stops going down. If operation is as specified, replace the master switch.
  7. Inspect passenger's power window switch continuity : If continuity is not as specified, replace the switch
  8. 4 Door Models: Inspect Rear Door Power Window Switch Continuity . If continuity is not as specified, replace the switch
  9. Inspect Power Main Relay Continuity If continuity is not as specified, replace the switch.
  10. Front Left Side Door: Inspect Power Window Motor Operation . Connect the positive (+) lead from the battery to terminal 4 and the negative (-) lead to terminal 5, and check that the motor turns clockwise. Reverse the polarity, check that the motor turns counterclockwise. If operation is not as specified, replace the motor.
  11. Front Right Side Door: Inspect Power Window Motor Operation . Connect the positive (+) lead from the battery to terminal 5 and the negative (-) lead to terminal 4, and check that the motor turns clockwise: Reverse the polarity, check that the motor turns counterclockwise. If operation is not as specified, replace the motor.
  12. Rear Left Side Door: Inspect Power Window Motor Operation . Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, and check that the motor turns clockwise. Reverse the polarity, check that the motor turns counterclockwise. If operation is not as specified, replace the motor.
  13. Rear Right Side Door: Inspect Power Window Motor Operation . Connect the positive (+) led from the battery to terminal 1 and the negative (-) lead to terminal 2, and check that the motor turns clockwise. Reverse the polarity, check that the motor turns counterclockwise. If operation is not as specified, replace the motor.
  14. 2 Door Models Driver's Door: Inspect PTC Operation . Disconnect the connector from the master switch. Connect the positive (+) lead from the battery to terminal 3 and the negative (-) lead to terminal 4 on the wire harness side connector and raise the window to full closed position. Continue to apply voltage, check that there is a circuit breaker operation noise within approximately 4 to 40 seconds. Reverse the polarity, check that the window begins to descend within approximately 60 seconds. If operation is not as specified, replace the motor.
  15. 4 Door Models Driver's Door: Inspect PTC Operation . Disconnect the connector from the master switch. Connect the positive (+) led from the battery to terminal 1 and the negative (-) lead to terminal 5 on the wire harness side connector and raise the window to full closed position. Continue to apply voltage, check that there is a circuit breaker operation noise within approximately 4 to 40 seconds. Reverse the polarity, check that the window begins to descend within approximately 60 seconds. If operation is not as specified, replace the motor.