Diagnostic Test

WARNING: This page is about a different car, the 2022 Chrysler Voyager and 2022 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.

ANTENNA INSPECTION
1. Using Service Information locate and verify the antenna is on the vehicle.
2. Visually inspect the Antenna for damage.
  Is the antenna missing or damaged?
  
  Yes
  - Replace the Cellular Antenna in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 2
CHECK THE ANTENNA CONNECTIONS
1. Turn the ignition off.
2. Disconnect the Cellular Antenna connector at the Antenna.
3. Disconnect the Cellular Antenna connector at the rear of the Radio.
4. Inspect both of the Cellular Antenna connections and verify the Antenna is torqued to specification.
  Were the antenna connections clean and torqued to specification?
  
  Yes
  - Go To 3
  No
  - Clean the Cellular Antenna connection(s) / torque to specification as necessary.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
RADIO
NOTE:
Antenna reception testing must be done outside and away from man made structures or natural features to ensure all signals are not obstructed.
1. Connect the special tool (#9977-6-9, Adapter, RG-58 Coax Cable) and the special tool (#9977-6-CELL-LTE, Adapter, Cellular Antenna Diagnostic) to the Radio Cellular Antenna harness connection at the Radio.
2. Place the test antenna base on the roof of the vehicle.
3. Turn the ignition on.
4. Drive the vehicle outside to an un-obstructed area.
5. Turn the Radio on.
  Is the reception still poor or not available?
  
  Yes
  - Replace the Radio in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 4
ANTENNA
NOTE:
Antenna reception testing must be done outside and away from man made structures or natural features to ensure all signals are not obstructed.
1. Turn the ignition off.
2. Reconnect the vehicle Radio Cellular Antenna harness connector to the Radio.
3. Disconnect the Cellular Antenna harness connector from the Cellular Antenna.
4. Connect the special tool (#9977-6-CELL-LTE, Adapter, Cellular Antenna Diagnostic) to the Cellular Antenna harness connector.
5. Turn the ignition on.
6. Turn the Radio on and select several different known good APP/ Cellular functions.
  Is the reception still poor or not available?
  
  Yes
  - Go To 5
  No
  - Replace the Cellular Antenna in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

ANTENNA CABLE

Turn the ignition off.
Disconnect the Radio Cellular Antenna harness connector from the Radio.

Connect the appropriate special tool (#9977-6-4, Jumper) (1) or special tool (#9977-6-2, Jumper) (1) to the Radio Cellular Antenna harness connector (2).

Courtesy of CHRYSLER GROUP, LLC

Connect the appropriate special tool (#9977-6-1, Adapter) (1) or special tool (#9977-6-3, Adapter) (1) to the Cellular Antenna harness connector (2).
Measure the resistance across the tool terminals.
Is the resistance between 47.5 and 52.5 Ohms?

Yes
- The source of the poor reception is not caused by the Radio, Cellular Antenna Cable or Cellular Antenna.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Replace the Cellular Antenna Cable in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .