Diagnostic Test

CHECK THE ANTENNA CONNECTION
1. Turn the ignition off.
2. Disconnect the Satellite Radio Antenna connector at the rear of the (ETM/LTM).
3. Inspect the Satellite Radio Antenna connection.
  Was the antenna connection clean and secure?
  
  Yes
  - Go To 2
  No
  - Clean and secure the antenna connection as necessary.
  - 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-SAT, Antenna) to the Satellite Antenna connection on the back of the (ETM/LTM).
2. Make sure one of the front doors is still open.
3. Using the scan tool, erase the DTCs.
4. Turn the ignition on.
5. Turn the (ETM/LTM) on.
6. Using the scan tool, read (ETM/LTM) DTCs.
  NOTE:
  While using the 9977-6-SAT test antenna the GPS reception will not be available and GPS faults may occur. The 9977-6-SAT test tool will only enable satellite radio reception to work. For GPS reception concerns use test antenna 9977-6-GPS-GLO.
  
  Is the DTC active?
  
  Yes
  - Replace the ETM/LTM in accordance with the Service Information. Refer to RADIO, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 3
TEST THE SATELLITE ANTENNA CABLE
1. Disconnect the Satellite Antenna cable at the Satellite Antenna.
2. Connect the appropriate Radio Diagnostic Tool (special tool #9977-6-1, Adapter) or (special tool #9977-6-3, Adapter) to the Satellite Antenna cable at the back of the (ETM/LTM).
3. Connect the appropriate Radio Diagnostic Tool (special tool #9977-6-4, Jumper) or (special tool #9977-6-2, Jumper) to the Satellite Antenna cable at the Satellite Antenna.
4. Measure the Resistance across the terminals on the tool.
  Is the resistance above 52.5 Ohms?
  
  Yes
  - Use the Radio Diagnostic Tool (special tool #9977-6, Kit, Radio Antenna Diagnostic) to locate the open circuit, repair or replace the Satellite Antenna cable as necessary.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Satellite Antenna in accordance with the Service Information. Refer to ANTENNA, SATELLITE, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .