Diagnostic Test

WARNING: This page is about a different variant/trim than selected.

CHECK THE CABLE CONNECTION AT THE ENTERTAINMENT TELEMATIC MODULE (ETM/LTM)
NOTE:
- Before testing check the AUX port, USB port and SD slot for damage or debris inside the ports and device connectors that can cause concerns with system operation.
- Use a known good compatible device that works on another same kind system when testing for concerns.
- Verify that no other devices are connected to the system during testing.
- The Media hub (with USB, AUX, SD slot) can be serviced separately from the radio.
1. Turn the ignition off.
2. Inspect the connectors at the ETM/LTM and Media Hub.
  Are The connections secure and undamaged?
  
  Yes
  - Go To 2
  No
  - Repair the cable connection as needed.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE MEDIA HUB CIRCUITS FOR AN OPEN.
1. Turn the ignition off.
2. Disconnect the ETM/LTM harness connector and the Media hub connector.
3. Measure the resistance of the :
  - (X486) Aux Audio Left circuit between the Radio harness connector and the Media Hub connector.
  - (X487) Aux Audio Right circuit between the Radio harness connector and the Media Hub connector.
  - (X488) Aux Audio Reference circuit between the Radio harness connector and the Media Hub connector.
  - (X489) Aux Connection Detect circuit between the Radio harness connector and the Media Hub connector.
  Is the resistance below 3.0 Ohms on all circuits?
  
  Yes
  - Check the Media Hub for concerns and replace if needed.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Repair the open circuit that failed the test.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .