Power Window Sub Switch Illumination Inspection

WARNING: This page is about a different car, the 2020 Mazda CX-30. 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 (US) .)
Remove the power window sub switch. (See POWER WINDOW SUB SWITCH REMOVAL/INSTALLATION .)

Apply battery positive voltage to power window sub switch terminal A, and connect terminal D to ground.

Courtesy of MAZDA MOTORS CORP.

B+ Terminal	Ground Terminal	Operation
A	D	LED Turn On

Verify that the LED is turned on.
- If the LED does not turn on, replace the power window sub switch. (See POWER WINDOW SUB SWITCH REMOVAL/INSTALLATION .)