LED Illumination Inspection

WARNING: This page is about a different car, the 2017 Mazda CX-9. 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 main switch. (See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATION )
Apply battery voltage to door lock switch terminal 1B (auto-open/close function for all windows)/1K (auto-open/close function for driver-side), and connect terminal 1K (auto-open/close function for all windows)/2A (auto-open/close function for driver-side) to ground.
Auto-open/close function for all windows

Fig 1: Door Lock Switch Circuit Diagram (Auto-Open/Close Function For All Windows)
Courtesy of MAZDA MOTORS CORP.

Auto-open/close function for driver-side

Fig 2: Door Lock Switch Circuit Diagram (Auto-Open/Close Function For Driver-Side)
Courtesy of MAZDA MOTORS CORP.
Verify that the LED turns on.
- If the LED does not turn on, replace the power window main switch.