Diagnostic Test

CHECK FOR AN ACTIVE DTC
1. Turn the ignition on.
2. Turn the (ETM/LTM) off.
3. Make sure one of the front doors is still open.
4. With the scan tool, erase the DTCs.
5. Turn the (ETM/LTM) on.
6. With the scan tool, read (ETM/LTM) DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - Perform the TESTING FOR AN INTERMITTENT CONDITION procedure. Refer to INTERMITTENT CONDITION .
SATELLITE RADIO OPERATION
Does the satellite (ETM/LTM) function properly?

Yes
- The satellite (ETM/LTM) and GPS share the same antenna cable. If the Satellite (ETM/LTM) 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
TEST THE SATELLITE ANTENNA CABLE
1. Disconnect the Satellite/GPS Antenna cable at the Satellite Antenna.
2. Connect the appropriate (ETM/LTM) 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 (ETM/LTM) Diagnostic Tool (special tool #9977-6-4, Jumper) or (special tool #9977-6-2, Jumper) to the Satellite Antenna cable at the Satellite Antenna base.
4. Measure the Resistance across the terminals on the tool.
  Is the resistance below 47.5 Ohms?
  
  Yes
  - Use the (special tool #9977-6, Kit, Radio Antenna Diagnostic) to locate the short, repair or replace the Satellite Antenna cable as necessary.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the (ETM/LTM) in accordance with the Service Information. Refer to RADIO, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .