Diagnostic Test

CHECK THE ANTENNA CONNECTION
1. Turn the ignition off.
2. Disconnect the Audio Antenna connectors.
3. Inspect the Audio Antenna connections.
  Are the Antenna connections clean and secure?
  
  Yes
  - Go To 2.
  No
  - Repair the Antenna connections 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-FM, Antenna) to the antenna connection on the back of the Radio.
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 Radio on.
6. Using the scan tool, read the active Radio DTCs.
  Does the scan tool read: B2005-13 AUDIO ANTENNA - OPEN CIRCUIT as active?
  
  Yes
  - Replace the Radio 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 ANTENNA CABLE
1. Disconnect the Antenna cable at the base.
2. Connect the appropriate Radio Diagnostic Tool (special tool #9977-6-1, Adapter) or (special tool #9977-6-3, Adapter) to the Antenna cable at the back of the Radio.
3. Connect the appropriate Radio Diagnostic Tool (special tool #9977-6-4, Jumper) or (special tool #9977-6-2, Jumper) to the Antenna cable at the Antenna base.
4. Measure the Resistance across the tool terminals.
  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 Antenna cable as necessary.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Antenna base in accordance with the Service Information. Refer to ANTENNA, SATELLITE, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .