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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 246 ((Audio (Radio) - Electrical Diagnostics)) >> DTC Troubleshooting >> B142F-Satellite Radio Antenna Not Connected >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK THE ANTENNA CONNECTION 
    1. Turn the ignition off.
    2. Disconnect the Satellite Radio Antenna connector at the rear of the Radio.
    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 STANDARD PROCEDURE .
  2. 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 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 display: B142F Satellite Radio Antenna Not Connected as Active?

      Yes 

      • Replace the Satellite Radio in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Go To  3
  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 Radio.
    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?

      No 

      • 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 STANDARD PROCEDURE .

      Yes 

      • Replace the Satellite Antenna in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
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