B142D-AUDIO ANTENNA NOT CONNECTED
Special Tools: Click to display a list of tools used in this procedure
For a complete wiring diagram, refer to the Wiring Information.
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When Monitored:
With the ignition on and the Radio in seek mode.
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Set Condition:
With the Radio in seek mode for two loops around the band. The Radio does not detect an Antenna connection or does not receive a Radio station signal.
Possible Causes |
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| BAD ANTENNA CONNECTION |
| OPEN ANTENNA CABLE |
| RADIO |
1. CHECK THE ANTENNA CONNECTIONS
| 1. | Turn the ignition off. |
| 2. | Disconnect the Radio Antenna connector. |
| 3. | Inspect the Radio 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 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure).
2. CHECK THE ANTENNA AND CABLE
| 1. | Connect the Radio Diagnostic Tool 9977-6-FM 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: B142D- AUDIO ANTENNA NOT CONNECTED as active?
Yes
- Go To 3
No
- Repair or replace the Radio in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure).
| 1. | Turn the ignition off. |
| 2. | Disconnect the Antenna cable at the base. |
| 3. | Connect the appropriate Radio Diagnostic Tool 9977-6-1 or 9977-6-3 to the Antenna cable at the back of the Radio. |
| 4. | Connect the appropriate Radio Diagnostic Tool 9977-6-4 or 9977-6-2 to the Antenna cable at the Antenna base. |
| 5. | Measure the Resistance across the tool terminals. |
Is the resistance above 52.5 Ohms?
Yes
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Use the Radio Diagnostic Tool
9977-6
to locate the open circuit, repair or replace the Antenna cable as necessary. - Perform the BODY VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure).
No
- Replace the Antenna base in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure).