Power Window SUBSWITCH Inspection: Notes

WARNING: This page is about a different car, the 2021 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the power window subswitch. (See POWER WINDOW SUBSWITCH REMOVAL/INSTALLATION .)
Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Connect the power window subswitch connector.
Measure the voltage at each terminal.

If the voltage is not as specified in the terminal voltage table, inspect the parts under "Inspection item(s)" and related wiring harnesses.

If the system does not work properly even though the inspection items or related wiring harnesses do not have any malfunction, replace the power window subswitch.