Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Chevrolet >> 2016 >> City Express LS >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Cellular System, Entertainment System, And Navigation System >> Diagnostic Information And Procedures >> Auxiliary Audio Input Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Verify no DTCs are present.
    • Go to next step: 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 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. Connect the EL-50334-20 Multi-Media Interface Tester (MIT) to the X92 USB Receptacle and select the USB test mode.
  6. 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 DTC U1263  for testing.

    • Go to next step: If audio is heard from the test tool 
  7. All OK.
scientia non olet · About Mike's Workshop Manuals