Error Code: XM NO SIGNAL Is Displayed (Without Navigation)

Symptom Troubleshooting: Error code: XM NO SIGNAL is displayed

Error code: XM NO SIGNAL is displayed (without navigation)

NOTE:

- Check the vehicle battery condition first.

- Check the connectors for poor connection or loose terminals.

1. Park the vehicle outside with a clear view of the southern horizon.

2. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

3. Turn on the audio unit, and select XM radio.

Does the XM radio receive a signal?
YES - Reception interference operation is normal.

NO - Go to step 4.


4. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

5. Check the XM antenna 2P connector and XM receiver connector B (2P).

Are the connectors connected?
YES - Go to step 6.

NO - Reconnect the XM antenna 2P connector and XM receiver connector B (2P), and recheck the XM radio operation. If the signal is restored, the system is OK. If the signal is not restored, go to step 6.


6. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

7. Check the connection at XM antenna 2P connector and XM receiver connector B (2P).

Are the connectors connected?
YES - Go to step 8.

NO - Reconnect the connectors, and recheck the XM radio operation. If the signal is restored, the system is OK. If the signal is not restored go to step 8.


8. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

9. Measure the voltage between XM receiver connector A (14P) terminal No. 1 and body ground.

Is there battery voltage?
YES - Go to step 10.

NO - Repair open in the wire between audio unit connector C (14P) terminal No. 1 and USB adapter unit connector A (14P) terminal No. 1 and XM receiver connector A (14P) terminal No. 1.






10. Measure the voltage between XM receiver connector A (14P) terminal No. 2 and body ground.

Is there less than 0.2 V?
YES - Go to step 11.

NO - Repair open in the wire between audio unit connector C (14P) terminal No. 11 and USB adapter unit connector A (14P) terminal No. 11 and XM receiver connector A (14P) terminal No. 11.






11. Measure the voltage between XM receiver connector A (14P) terminal No. 11 and body ground.

Is there less than 0.1 V?
YES - Go to step 12.

NO - Repair open in the wire between audio unit connector C (14P) terminal No. 11 and USB adapter unit connector A (14P) terminal No. 11 and XM receiver connector A (14P) terminal No. 11.






12. Substitute a known-good XM antenna. Removal and Replacement

Does the XM radio receive a signal?
YES - Replace the XM antenna. Removal and Replacement

NO - Substitute a known-good XM antenna lead. If the XM receiver receives signal, replace the original XM antenna lead. If the XM receiver does not receive a signal, substitute a known-good XM receiver. XM Receiver Removal/Installation (Without Acura Link)