USB Power Outlet Inspection
WARNING: This page is about a different car, the 2025 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
- Switch the ignition ON (engine off).
- Measure the voltage between the USB port power supply and GND.
If the voltage is from 4. 75 V to 5. 25 V:
- The USB power outlet is normal.
If the voltage is less than 4. 75 V or higher than 5. 25 V:
- Replace the USB power outlet. (See USB POWER OUTLET REMOVAL/INSTALLATION .)