Hi,
In addition to being an electrical distribution center for several vehicle systems, the smart junction box (SJB) is a multi-function electronic module, with inputs and outputs for several electrical systems including the PW and the wipers.
The SJB constantly monitors the circuits of the electronic systems it controls. If the SJB detects an open, a short to ground, or a short to power in the driver-side power window circuits, for example, it will set a diagnostic trouble code (DTC). DTCs can be retrieved with a diagnostic tool. This requires scanning the can-bus circuits. CAN stands for controller area network.
All the different modules are tied together via a few wires. This type of scan will retrieve codes from all modules. In this case, I suspect you will find codes related to the two items you are having trouble with.
Here is a link that explains how to scan the can-bus:
https://www.2carpros.com/articles/can-scan-controller-area-network-easy
I attached the wiring schematics for both the power windows and the wipers. Confirm the fuses I highlighted are good and that there is power to and from them.
Here is a link that you may find helpful:
https://www.2carpros.com/articles/how-to-check-a-car-fuse
Also, the SJB is on the passenger side behind the kick panel. See pics 5 and 6.
Let me know if this helps, what you find, or if you have other questions. Note: If the power supply is present at the SJB and it doesn't respond, the SJB will likely need replaced.
Let me know.,
Joe
See pics below.
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Sunday, April 2nd, 2023 AT 8:04 PM