Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
- CHECK THE ANTENNA CONNECTIONS
- Turn the ignition off.
- Disconnect the Entertainment Telematic (ETM/LTM) Antenna connector.
- Inspect the ETM/LTM Antenna connection.
Was the Antenna connection clean and secure?
Yes
- Go To 2
No
- Repair the Antenna connection as needed.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- CHECK THE ANTENNA AND CABLE
- Connect the Radio Diagnostic Tool (special tool #9977-6-FM, Antenna) to the Antenna connection on the back of the ETM/LTM.
- Make sure one of the front doors is still open.
- With the scan tool, erase DTCs.
- Turn the ignition on.
- Turn the ETM/LTM on.
- With the scan tool, read ETM/LTM DTCs.
Is the DTC active?
Yes
- Go To 3
No
- Repair or replace the ETM/LTM in accordance with the Service Information. Refer to RADIO, REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- TEST THE ANTENNA CABLE
- Turn the ignition off.
- Disconnect the Antenna cable at the base.
- 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 ETM/LTM.
- 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.
- 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.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .