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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2409 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESAUXILIARY AUDIO INPUT MALFUNCTIONCIRCUIT/SYSTEM TESTING
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Circuit/System Testing

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Circuit/System Testing
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Instrument Panel USB Port

  1. Ignition OFF, disconnect the USB cable connection at the A11 radio.
    2. NOTE:

    USB cables and adapters for the following tests are found in the EL-50334-50   EL-50334-50  USB Cable and Adapter Kit.

  2. Connect the EL-50334-2 Type A female to Mini B male USB Cable to the A11 radio.
  3. Ignition ON, radio ON, connect a USB device to the EL-50334-2 cable. Verify the infotainment system switches to USB as the audio source.
    • If the infotainment system does not switch to USB as the audio source, replace the A11 radio.
  4. Ignition OFF, reconnect the vehicle USB cable to the A11 radio.
  5. Disconnect the USB cable at the USB receptacle.
  6. Connect the EL-50334-4 Type A female to Mini B female adapter to the USB cable.
  7. Ignition ON, radio ON, connect a USB device to the EL-50334-4 adapter. Verify the infotainment system switches to USB as the audio source.
    • If the infotainment system does not switch to USB as the audio source, replace the USB cable assembly.
  8. If all circuits test normal, replace the USB receptacle.

Console USB Port

  1. Ignition OFF, disconnect the USB cable connection at the A11 radio.
    2. NOTE:

    USB cables and adapters for the following tests are found in the EL-50334-50   EL-50334-50  USB Cable and Adapter Kit.

  2. Connect the EL-50334-1 Type A male to Mini A male USB Cable to the A11 radio.
  3. Connect the EL-50334-3 Type A female to Type A female adapter to the EL-50334-1 Cable.
  4. Ignition ON, radio ON, connect a USB device to the EL-50334-3 adapter. Verify the infotainment system switches to USB as the audio source.
    • If the infotainment system does not switch to USB as the audio source, replace the A11 radio.
  5. Ignition OFF, reconnect the vehicle USB cable to the A11 radio.
  6. Disconnect the X265 I/P to floor console harness USB connector.
    7. NOTE:

    The EL-50334-3 Type A female to Type A female adapter may be required for the following test.

  7. Ignition ON, radio ON, connect a USB device to the I/P side of the X265 connector. Verify the infotainment system switches to USB as the audio source.
    • If the infotainment system does not switch to USB as the audio source, replace the I/P USB cable assembly.
  8. Ignition OFF, reconnect the X265 harness connector.
  9. Disconnect the USB cable at the USB receptacle.
  10. Connect the EL-50334-4 Type A female to Mini B female adapter to the USB cable.
  11. Ignition ON, radio ON, connect a USB device to the EL-50334-4 adapter. Verify the infotainment system switches to USB as the audio source.
    • If the infotainment system does not switch to USB as the audio source, replace the console USB cable assembly.
  12. If all circuits test normal, replace the USB receptacle.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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  • • You are missing required tools, torque specs, or safe lifting equipment.
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