Error Code: XM No Signal Is Displayed
Error code: XM NO SIGNAL is displayedNOTE:
- Check the vehicle battery condition first.
- Check the connectors for poor connections or loose terminals.
- Check XM radio reception in an open area with good exposure to the southern horizon. Poor reception/interference can be caused by tall buildings, mountains, or high-voltage power lines.
1. Park vehicle outside with a clear view of the southern horizon.
2. Turn the ignition switch to ON (II).
3. Turn on the audio unit and select XM radio.
Does the XM radio receive a signal?
YES - Reception is normal.
NO -
- With AcuraLink: Go to step 4.
- Without AcuraLink: Go to step 13.
4. Turn the ignition switch to LOCK (0).
5. Check XM antenna 2P connector and AcuraLink control unit (XM receiver) connector B (2P).
Are the connectors connected?
YES - Go to step 6.
NO - Reconnect the XM antenna 2P connector and AcuraLink control unit connector B (2P) connector and recheck XM radio operation. If the signal is restored, the system is OK. If the signal is not restored go to step 6.
6. Disconnect AcuraLink control unit (XM receiver) connector A (20P).
7. Measure the voltage between AcuraLink control unit (XM receiver) connector A (20P) terminal No. 1 and body ground.
Is there battery voltage?
YES - Go to step 8.
NO - Repair open in the wire between No. 7 (7.5 A) fuse in the under-hood fuse/relay box and AcuraLink control unit (XM receiver) connector A (20P) terminal No. 1.
8. Reconnect the AcuraLink control unit (XM receiver) connector A (20P).
9. Turn the ignition switch to ON (II).
10. Measure the voltage between AcuraLink control unit (XM receiver) connector A (20P) terminal No. 11 and body ground.
Is there less than 0.1 V?
YES - Go to step 11.
NO - Repair open in the wire between AcuraLink control unit (XM receiver) connector A (20P) terminal No. 11 and body ground (G604).
11. Turn the ignition switch to LOCK (0).
12. Substitute a known-good XM antenna.
Does the XM radio receive a signal?
YES - Replace the XM antenna.
NO - Substitute a known-good XM antenna lead. If AcuraLink control unit (XM receiver) receives a signal, replace original XM antenna lead. If the AcuraLink control unit (XM receiver) does not receives a signal, substitute a known-good AcuraLink control unit (XM receiver).
13. Turn the ignition switch to LOCK (0).
14. Check the connection at XM antenna 2P connector and XM receiver connector B (2P).
Is the connectors connected?
YES - Go to step 15.
NO - Reconnect the connectors and recheck XM radio operation. If the signal is restored, the system is OK. If the signal is not restored go to step 15.
15. Measure the voltage between XM receiver connector A (14P) terminal No. 1 and body ground.
Is there battery voltage?
YES - Go to step 16.
NO - Repair open in the wire between No. 7 (7.5 A) fuse in the under-dash fuse/relay box and XM receiver connector A (14P) terminal No. 1.
16. Turn the ignition switch to ON (II).
17. 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 18.
NO - Repair open in the wire between connector A (14P) terminal No. 11 and body ground (G604).
18. Turn the ignition switch to LOCK (0).
19. Substitute a known-good XM antenna.
Does the XM radio receives signal?
YES - Replace the XM antenna.
NO - Substitute a known-good XM antenna lead. If XM receiver receives signal, replace original XM antenna lead. If the XM receiver does not receives signal, substitute a known-good XM receiver.