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USB Power Outlet Inspection

  1. Switch the ignition ON (engine off).
  2. Measure the voltage between the USB port power supply and GND.
    Fig 1: Measuring Voltage Between USB Port Power Supply And GND
    G11426371Courtesy of MAZDA MOTORS CORP.

    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: