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Home >> Chevrolet >> 2013 >> Volt >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> Auxiliary Audio Input Malfunction >> Circuit/System Testing >> USB Port
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USB Port

WARNING: This page is about a different car, the 2011 Chevrolet Volt. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the X360 I/P to floor console harness USB connector.
    2. NOTE: A USB Type A female to female adaptor (gender changer) may be required for the following test.
  2. Ignition ON, radio ON, connect a device to the USB connection of the I/P side of the X360 harness connector. Verify the infotainment system to switches USB as the audio source.
    • If the infotainment system does not switch to USB as the audio source, ensure the USB cable is properly connected at the radio. If the cable connection checks OK, replace the I/P USB cable assembly and reconnect the USB device. If the infotainment system still does not switch to USB as the audio source, replace the A11 radio.
  3. Ignition OFF, reconnect the X360 I/P to floor console harness connector.
  4. Ignition ON, radio ON, connect a device to the console USB port. Verify the infotainment system to switches USB as the audio source.
    • If the infotainment system does not switch to USB as the audio source, ensure the USB cable is properly connected at the X83 auxiliary audio input. If the cable connection checks OK, replace the X83 auxiliary audio input and reconnect the USB device. If the infotainment system still does not switch to USB as the audio source, replace the console USB cable assembly.
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