Power Window Sub Switch Illumination Inspection

WARNING: This page is about a different car, the 2021 Mazda 3. 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 .)