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.
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 .)