Diagnostic Test

Check For An Active DTC
1. Make Sure That One Of The Front Doors Are Open When Performing The Diagnostic Test.
2. Turn The Ignition On.
3. With The Scan Tool, Read DTCS And Record On Repair Order.
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. With The Scan Tool, Read Radio DTCS.
  Is The DTC Active?
  
  Yes
  - Go To 2
  No
  - Test Complete. The Condition(S) That Originally Set This DTC Are No Longer Present. Inspect The Antenna Cable Connections Between The Radio To The GPS Antenna.
GPS Operation
Does The GPS And Satellite Radio Function Properly?

Yes
- The Satellite Radio And GPS Share The Same Antenna Cable. If The Satellite Radio Is Functioning Properly, Replace The GPS Antenna Puck In Accordance With The Service Information.
- Perform The Body Verification Test. Refer To Body Verification Test .
No
- Go To 3
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-Gps-Glo, Antenna, GPS Glonass) To The GPS 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 GPS Antenna Cable
1. Turn The Ignition Off.
2. Disconnect The Vehicles GPS Antenna Cable At The GPS 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 GPS 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 GPS 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 Satellite Antenna Cable As Necessary.
  - Perform The Body Verification Test. Refer To Body Verification Test .