Diagnostic Test

Check For An Active DTC
1. Turn The Ignition On And Open One Of The Front Doors.
  NOTE:
  A Front Door Must Remain Open Whenever Checking Or Erasing Radio DTCS.
2. With The Scan Tool, Read Radio DTCS And Record On The Repair Order.
3. With The Scan Tool, Perform An ECU Reset To The Radio, And Then Erase DTCS.
4. Turn The Ignition Off For A Minimum Of 10.0 Seconds.
5. Turn The Ignition On.
6. With The Scan Tool, Read Radio DTCS.
  Did The DTC Return?
  
  Yes
  - Go To 2
  No
  - Perform The Testing For An Intermittent Condition Procedure. Refer To Testing For An Intermittent Condition .
Check The Antenna Connection
1. Turn The Ignition Off.
2. Disconnect The Antenna Connector At The Back Of The Radio.
3. Inspect The Antenna Connections.
  Are The Antenna Connections Clean And Secure?
  
  Yes
  - Go To 3
  No
  - Repair The Antenna Connection As Needed.
  - Perform The Body Verification Test. Refer To Body Verification Test .
Check The Antenna And Cable
1. Connect The Radio Diagnostic Tool (Special Tool #9977-6-13, Adapter, Long RF Rg-58 Fakra) And (Special Tool #9977-6-Cell-Lte, Adapter, Cellular Antenna Diagnostic) To The Cellular Antenna Connection On The Back Of The Radio.
2. Make Sure One Of The Front Doors Is Still Open.
3. Turn The Ignition On.
4. With The Scan Tool, Perform An ECU Reset To The Radio, And Then Erase DTCS.
5. Turn The Ignition Off For A Minimum Of 10.0 Seconds.
6. Turn The Ignition On.
7. Turn The Radio On.
8. Using The Scan Tool, Read Radio DTCS.
  Is The DTC Active?
  
  Yes
  - Replace The Radio In Accordance With The Service Information. Refer To Module, Radio Receiver, Removal And Installation .
  - Perform The Body Verification Test. Refer To Body Verification Test .
  No
  - Go To 4
Test The Cellular Antenna Cable
1. Turn The Ignition Off.
2. Disconnect The Vehicles Cellular Antenna Cable At The Cellular Antenna.
  NOTE:
  Special Tool 9977-6-13 Should Still Be Connected At The Back Of The Radio During This Test.
3. Connect The (Special Tool #9977-6-13, Adapter, Long RF Rg-58 Fakra) To The Vehicles Cell Antenna.
4. Make Sure One Of The Front Doors Is Still Open.
5. Turn The Ignition On.
6. With The Scan Tool, Perform An ECU Reset To The Radio, And Then Erase DTCS.
7. Turn The Ignition Off For A Minimum Of 10.0 Seconds.
8. Turn The Ignition On.
9. Turn The Radio On.
10. Using The Scan Tool, Read Radio DTCS.
  Is The DTC Active?
  
  Yes
  - Replace The Cellular Antenna In Accordance With The Service Information.
  - Perform The Body Verification Test. Refer To Body Verification Test .
  No
  - Use The Radio Diagnostic Tool (Special Tool #9977-6-13, Adapter, Long RF Rg-58 Fakra) To Locate The Open Circuit, Repair Or Replace The Cellular Antenna Cable As Necessary.
  - Perform The Body Verification Test. Refer To Body Verification Test .