LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2012 >> Traverse LS, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 401 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> Auxiliary Audio Input Malfunction >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Verification

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

Auxiliary Audio Input Jack - Console

  1. Verify no DTCs are present.
    • If no DTCs are present 
  2. Ignition ON, radio ON.
  3. Verify the infotainment system switches to AUX as the audio source with the EL-50334-20  Multi-Media Interface Tester (MIT) connected to the auxiliary audio input jack.
    • If the infotainment system does not switch to AUX as the audio source 

      Refer to Circuit/System Testing - Auxiliary Audio Input Jack.

    • If the infotainment system switches to AUX as the audio source 
  4. Verify the audio from the EL-50334-20  Multi-Media Interface Tester (MIT) is heard through the vehicle infotainment system while operating the test tool to begin audio playback.
    • If audio is not heard from the test tool 

      Refer to Circuit/System Testing - Auxiliary Audio Input Jack.

    • If audio is heard from the test tool 
  5. All OK.

Auxiliary Audio Input Jack - Radio (If Equipped)

  1. Verify no DTCs are present.
    • If no DTCs are present 
  2. Ignition ON, radio ON.
  3. Verify the infotainment system switches to AUX as the audio source with the EL-50334-20  Multi-Media Interface Tester (MIT) connected to the auxiliary audio input jack.
    • If the infotainment system does not switch to AUX as the audio source 

      Replace the A11 Radio.

    • If the infotainment system switches to AUX as the audio source 
  4. Verify the audio from the EL-50334-20  Multi-Media Interface Tester (MIT) is heard through the vehicle infotainment system while operating the test tool to begin audio playback.
    • If audio is not heard from the test tool 

      Replace the A11 Radio.

    • If audio is heard from the test tool 
  5. All OK.

USB Port

  1. Verify no DTCs are present.
    • If no DTCs are present 
  2. Ignition ON, radio ON.
  3. Verify the infotainment system switches to USB as the audio source with the EL-50334-20  Multi-Media Interface Tester (MIT) connected to the USB port.
    • If the infotainment system does not switch to USB as the audio source 

      Refer to Circuit/System Testing - USB Port.

    • If the infotainment system switches to USB as the audio source 
  4. Verify the audio from the EL-50334-20  Multi-Media Interface Tester (MIT) is heard through the vehicle infotainment system while operating the system to play audio from the test tool.
    • If audio is not heard from the test tool 

      Refer to Circuit/System Testing - USB Port.

    • If audio is heard from the test tool 
  5. All OK.
scientia non olet · About LEMON Manuals