Circuit/System Verification

Auxiliary Audio Input Jack

1. Verify no DTCs are present.
   • If any DTCs are present 

     Refer to Diagnostic Trouble Code (DTC) List - Vehicle .

   • If no DTCs are present 
2. Ignition ON, infotainment system ON.
3. Connect the EL-50334-20 Multi-Media Interface Tester (MIT) to the X83 Auxiliary Audio Input 3.5 mm (1/8 in.) input jack and select the AUX test mode.
4. Verify that AUX becomes an available media selection to the infotainment system.
   • If AUX does not become an available media selection 

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

   • If AUX becomes an available media selection 
5. 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 - Auxiliary Audio Input Jack.

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

USB Ports

1. Ignition ON, infotainment system ON.
2. Connect the EL-50334-20 Multi-Media Interface Tester (MIT) to the X83 Auxiliary Audio Input USB port and select the USB test mode.
3. 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 - USB Port

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