Error Code: XM No Signal Is Displayed
Error code: XM NO SIGNAL is displayedNOTE:
- 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.
- If you can only tune to channel 000, 001, 174, and 247, make sure that the audio unit is set to the channel mode (see owner's manual). If it is set to the channel mode, call XM radio customer support and check the account activation status.
1. Park vehicle outside with a clear view of the southern horizon.
Does the XM radio receive a signal?
YES - Reception interference operation is normal.
NO
- With AcuraLink: Go to step 2.
- Without AcuraLink: Go to step 9.
2. Check XM antenna 2P connector and AcuraLink control unit (XM receiver) connector B (2P).
Are the connectors connected?
YES - Go to step 3.
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 3.
3. Turn the ignition switch OFF.
4. Disconnect AcuraLink control unit (XM receiver) connector A (20P).
5. 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 6.
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.
6. Reconnect the AcuraLink control unit (XM receiver) connector A (20P).
7. Measure the voltage between AcuraLink control unit (XM receiver) connector A (20P) terminal No. 11 and body ground.
Is there less than 0.5 V?
YES - Go to step 8.
NO - Repair open in the wire between AcuraLink control unit (XM receiver) connector A (20P) terminal No. 11 and body ground (G604).
8. 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 signal, replace original XM antenna lead. If the AcuraLink control unit (XM receiver) does not receives signal, substitute a known-good AcuraLink control unit (XM receiver).
9. Check the connection at XM antenna 2P connector and XM receiver connector B (2P).
Is the connectors connected?
YES - Go to step 10.
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 10.
10. Turn the ignition switch to ACC (I).
11. Measure the voltage between XM receiver connector A (14P) terminal No. 1 and body ground.
Is there battery voltage?
YES - Go to step 12.
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.
12. Measure the voltage between XM receiver connector A (14P) terminal No. 11 and body ground.
Is there less than 0.5 V?
YES - Go to step 13.
NO - Repair open in the wire between connector A (14P) terminal No. 11 and body ground (G604).
13. 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.