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Circuit/System Verification

  1. Verify DTC U1263 is not set. Since occurrences of this DTC can be caused by an incompatible or faulty USB device, review with the customer the conditions under which their concern occurred.
    • If DTC U1263 is set. 

      Refer to Circuit/System testing following below.

    • Go to next step: If DTC U1263 is not set. 
  2. Ignition ON, infotainment system ON.
  3. Connect the EL-50334-20  Multi-Media Interface Tester (MIT) to the X92 USB Receptacle and select the USB test mode.
  4. Verify the audio from the EL-50334-20  Multi-Media Interface Tester (MIT) is heard through the 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 following below.

    • Go to next step: If audio is heard from the test tool 
  5. All OK.
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