Error code: XM NO SIGNAL or XM LOADING is displayed (without navigation)
- Check the vehicle battery condition first (see BATTERY TEST ).
- Check the connectors for poor connection or loose terminals.
- Check for other error codes (see XM SELF-DIAGNOSIS ), and check the XM Antenna Signal Reception Level (see XM SIGNAL RECEPTION LEVEL INDICATION MODE ).
- Park the vehicle outside with a clear view of the southern horizon.
- Turn the ignition switch to ON (II).
- Turn on the audio unit, and select XM radio.
Does the XM radio receive a signal?
YES -Reception operation is normal.
NO -Go to step 4.
- Turn the ignition switch to LOCK (0).
- Check the connection at 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.
- Substitute a known-good XM antenna (see XM ANTENNA REPLACEMENT
).
Does the XM radio receive a signal?
YES -Replace the original XM antenna (see XM ANTENNA 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 unit (see ACURALINK CONTROL UNIT (XM RECEIVER) REMOVAL/INSTALLATION0 ), and recheck. If the symptom/indication goes away, replace the original XM receiver unit (see ACURALINK CONTROL UNIT (XM RECEIVER) REMOVAL/INSTALLATION0 ).