Why Will My Window Go Down But Not Up

You can use a multi-meter for checking the reading of the connectors.

Why will my window go down but not up. Otherwise its a matter of accessing the power window wiring switches and relays etc by removing the interior door panel and using a multi-meter or voltage indicator to test the circuits and switches etc for voltage to eventually identify the problem. Unfortunately window motors are most likely to fail while the window is down. If the window motor has power and is grounded and it wont roll up the motor is likely faulty.

To find out which it is reconnect the electrical connector to the passenger switch and remove the door panel. And sometimes just reconnecting the plugs may fix it could be a dirty or loose connection. When a window unexpectedly slams shut it could shatter and become a safety hazard to those in the area especially children and pets.

If this does not work you need to pull the door panel and check for power right at the motor while the drivers window switch is moved to the up and down positions. Attach your meter leads to the electrical connector and toggle the passenger switch. HondaAcura use a polarity reversing ground at rest power window system same as the door locks.

Or perhaps the regulator arm is not aligned in its lower track. Aside from not working at all a power window that goes down but not up is the. Quick-fix guide car window wont go up.

Any info before i go to the dealer thanks 2001 330ci brad. Most likely the problem is the switch. And check if its working or not.

Amp It Up - If you have access to an amp gauge you can use it to help find the issue. If the motor or regulator was failing youd probably hear it trying if it is quiet I would re-check the window switch you just cleaned. Why does my power window go down but not up.