Power Window Subswitch Illumination Inspection

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
Remove the power window sub switch. (See POWER WINDOW SUBSWITCH REMOVAL/INSTALLATION .)

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

Courtesy of MAZDA MOTORS CORP.

B+ TERMINAL AND GROUND TERMINAL OPERATION DESCRIPTION

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 subswitch. (See POWER WINDOW SUBSWITCH REMOVAL/INSTALLATION .)