Left/right selection switch

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 main switch. (See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATION .)

Verify that the resistance between power window main switch terminals J and P is as indicated in the table.

Courtesy of MAZDA MOTORS CORP.

Switch Position	Resistance (ohm)	Terminal
Left	0	J-P
Right	2090-2310	J-P

If not as indicated in the table, replace the power window main switch. (See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATION .)