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USB Port with Multimedia Player Interface Module

  1. Ignition OFF, disconnect the USB cable connection at the T11 Multimedia Player Interface Module.
  2. Connect the EL-50334-2 Type A female to Mini B male USB Cable to the T11 Multimedia Player Interface Module. Ignition ON, radio ON.
    NOTE: USB cables and adapters for the following tests are found in the EL-50334-50  USB Cable and Adapter Kit.
  3. Connect the EL-50334-20  Multimedia Interface Tester (MIT) to the EL-50334-2 cable.
  4. 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 T11 Multimedia Player Interface Module.

    • If the infotainment system switches to USB as the audio source 
  5. Ignition OFF, connect the vehicle USB cable to the T11 Multimedia Player Interface Module. Disconnect the I/P to floor console inline USB cable connector. Ignition ON, radio ON.
  6. Connect the EL-50334-20  Multimedia Interface Tester (MIT) to the I/P side of the inline USB cable connector.
    NOTE: The EL-50334-3 or EL-50334-4 adapter may be required for the following test.
  7. 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.

    • If the infotainment system switches to USB as the audio source 
  8. Ignition OFF, connect the I/P to floor console inline USB cable connector.
  9. Disconnect the USB cable at the X83 Auxiliary Audio Input. Connect the EL-50334-4 Type A female to Mini B female adapter to the USB cable. Ignition ON, radio ON.
  10. Connect the EL-50334-20  Multimedia Interface Tester (MIT) to the EL-50334-4 adapter.
  11. 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.

    • If the infotainment system switches to USB as the audio source 
  12. Ignition OFF, connect the vehicle USB cable to the X83 Auxiliary Audio Input. Ignition ON, radio ON.
  13. Connect the EL-50334-20  Multimedia Interface Tester (MIT) to the X83 Auxiliary Audio Input.
  14. 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 X83 Auxiliary Audio Input.

    • If the infotainment system switches to USB as the audio source 
  15. Ignition OFF, disconnect the X1 harness connector at the T11 Multimedia Player Interface Module. Ignition ON.
  16. Test for less than 1 V between the signal circuits listed below and ground:
    • T11 Multimedia Player Interface Module terminal 4 X1
    • T11 Multimedia Player Interface Module terminal 14 X1
    • T11 Multimedia Player Interface Module terminal 15 X1
    • If 1 V greater 
    1. Ignition OFF, disconnect the X1 harness connector at the A11 Radio. Ignition ON.
    2. Test for less than 1 V between the signal circuit and ground.
      • If 1 V or greater, repair the short to voltage on the circuit.
      • If less than 1 V, replace the A11 Radio.
    • If less than 1 V 
  17. Ignition OFF, disconnect the X1 harness connector at the A11 Radio.
  18. Test for infinite resistance between the signal circuits listed below and ground:
    • Auxiliary audio common signal circuit terminal 23
    • Left auxiliary audio signal circuit terminal 24
    • Right auxiliary audio signal circuit terminal 10
    • If less than infinite resistance 

      Repair the short to ground on the circuit.

    • If infinite resistance 
  19. Test for less than 5 Ω between the signal circuit terminals listed below:
    • A11 Radio terminal 10 X1 and the T11 Multimedia Player Interface Module terminal 15 X1
    • A11 Radio terminal 23 X1 and the T11 Multimedia Player Interface Module terminal 4 X1
    • A11 Radio terminal 24 X1 and the T11 Multimedia Player Interface Module terminal 14 X1
    • If 5 Ω greater 

      Repair the open/high resistance in the circuit.

    • If less than 5 Ω 
  20. Replace the T11 Multimedia Player Interface Module. Connect all harness connectors. Ignition ON, radio ON.
  21. Connect and operate the EL-50334-20  Multi-Media Interface Tester (MIT).
  22. Verify the audio from the test tool is heard through the vehicle infotainment system.
    • If audio is not heard from the test tool 

      Replace the A11 Radio.

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