Function: when the ignition is on, the glass in the driver's or passenger's door slides up or down until it stops by briefly pressing or depressing the switch. In this case, the movement of the glass is stopped if the button is briefly pressed in the opposite direction.
For safety reasons, this convenient way of turning on in the rear doors only exists for lowering the window.
When the ignition is off, when you press the button, all windows move only down as far as they will go. The window only moves up if the power window button is pressed.
Child protection: The power windows in the rear doors are blocked by a central switch in the driver's door armrest.
Anti-theft device: If the driver's door is opened and then closed again with the engine off, all power windows will be deactivated.
Convenience Closing: in all vehicles with power windows, they can be closed simultaneously when the driver's door and the passenger's door close to the driver are closed. To do this, hold the key in position a little longer «closed». If there is an electrically operated sliding roof, this also closes.
Jamming protection: If the glass hits an obstacle while lifting up, it immediately starts moving in the opposite direction and lowers a few centimeters.
Faults
1. If none of the windows move, check the circuit breakers in slots 22 and 23 «8-place relay support» on the left under the dashboard for conductivity.
2. Checking the switches: If only one window does not work, then try to operate it from the second switch.
3. This way you can determine if the source of the fault is in the first switch.
4. This check cannot be done with the glass in the driver's door. Remove facing of a door.
5. For the sake of experience, swap the switch connectors so that the glass in the driver's door activates a definitely good switch.
6. Checking the lead wire: if the switch is OK, then disconnect the wire connector in the power window motor and check the connector with a voltmeter to see if the correct signals are actually coming to the power window.
7. If the voltage readings are correct, then the power window motor remains the source of the defect.
8. But if no voltage is applied to the engine, then check the wire and the control unit.
9. Poor glass movement can be caused by a jammed window guide.
Power window measurement table
The table shows the nominal values using the driver's window regulator as an example (vehicles with four windows).
Wires of other colors are partially routed on the rear windows and in vehicles with two power windows (see footnotes).
Terminal
|
Wire color
|
Measurement relative
|
Condition
|
Rated value
|
measured
|
1
|
Red/Grey |
«masses»
|
«Ignition on» or the door has not been closed since the last time «Ignition incl.» |
OK. 12 V
|
Voltage from the control unit |
2
|
White yellow |
masses
|
No |
OK. 12 V
|
Signal voltage «central closure» |
2
|
White yellow |
masses
|
Holding the key in the door lock in position «Closed» |
OK. 12 V
|
Signal voltage «central closure» |
3
|
Yellow/blue 1) |
masses
|
«Ignition on» or the door has not been closed since the last time «Ignition incl.» |
OK. 12 V
|
Switch signal «Window open» |
4
|
Black/yellow 2) |
masses
|
«Ignition on» or the door has not been closed since the last time «Ignition incl.» |
OK. 12 V
|
Switch signal «window closed» |
5
|
Black |
masses
|
«Ignition on» |
OK. 12 V
|
Ignition switch voltage |
6
|
Brown |
«+»
|
No |
OK. 12 V
|
Ground connection |
7
|
Red Green |
masses
|
No |
OK. 12 V
|
Constant± |
1) or green/yellow or white/black
2) or black/red, or white/black, or white/purple
Temporary roadside assistance
Power windows do not have any mechanical emergency operation. But if the windows do not work, then you do not need to drive with the window open:
1. If the switch is faulty, then try to close the window using the second switch.
2. If it didn't work out (e.g. in the driver's door), then dismantle the switch of another window or connect the connecting wire to the second, serviceable switch (about dismantling the switches in this chapter above).
3. With this working switch you will be able to close the window.
4. If the power window motor is defective, it can be dismantled by removing the door lining. To do this, loosen the clamping connection between the window and the power window (screws on the back - chapter Body parts).
5. Now slide the glass up and fix it in this position with adhesive tape or a wooden wedge.
Window lift motor replacement
Power window motors are dismantled in the same way as mechanical lifts (chapter Body parts). When installing the power window motor, it is important to program the stops:
1. Turn on the ignition.
2. Using the switch, lift the glass up until it stops.
3. Now several times within a second, hold the switch to the position «top».
4. Check: press the switch to the position «down». Now the glass should go down by itself until it stops.
5. Repair of the electric motor is not provided.
Engine (1) power window regulator with disconnected connector (2) and three fixing screws (3–5).
Plug removed here (2) engine (1) power window in order to test with a voltmeter and control wire (3), whether the correct signals are being sent to the power window.
Visitor comments