I will try my best to explain how the system works. First, if you have power to all windows but one, the fuse is good and there are no other fuses.
Now, here is where people get confused. There is power to all window switches all the time when the key is on. How they work is this. When you select up or down, the switch provides a ground allowing the motor to run.
I have attached three pics below. They are from the wiring schematic of the system. I have placed an arrow showing the direction of power flow. You will see it all starts at a circuit breaker, then to the main switch (driver's side), then through the window lock switch. If the switch is in the lock position, no power goes to the other switches. Once you unlock that switch, it sends power to the others.
Next, once power is in the switch, it is distributed to the motor. Here is where it's tricky. There are only two wires at each motor. If the switch is in the up position, power goes through one of those two wires and ground is provided through the other. If down is selected, power is provided through the opposite wire ( changing polarity ) and ground then goes through the opposite one. By changing the directions of power flow, you change the polarity in the motor causing it to run different directions.
The last pic is (and I'm sorry for the sloppy writing) shows how power is then sent to ground via the switch.
Now based on your problem, either you have a bad motor or a bad switch at that door. The only other thing I can see that could be wrong would be if the splice for power to the passenger side switch came loose. However, I suspect that would cause failure to the rear windows because power is supplied through the same wire. If it was a bad ground or wiring issue, the other windows (rear) wouldn't work either. What I will need you to do is this. Simply see if there is power to the motor when the switch is in the up or down position. If there is, replace the motor. If there isn't, replace the switch.
Here are a few links you may find helpful:
Let me know if what I said makes sense or if you have questions. Also, if you have the chance, let me know what you find.
Images (Click to enlarge)
Saturday, April 18th, 2020 AT 6:57 PM