XM Radio Preset Memory Is Lost
Audio System Symptom Troubleshooting - XM radio preset memory is lost
XM radio preset memory is lost
NOTE:
- Check the vehicle battery condition first Testing and Inspection.
- Check the connectors for poor connections or loose terminals.
1. Turn the ignition switch to ON (II).
2. Turn on the audio unit, and set each of the XM radio channel preset buttons.
Does each of the XM radio channel preset buttons set properly?
YES -
Go to step 3.
NO -
Substitute a known-good XM receiver XM Receiver Removal/Installation, and recheck. If the symptom/indication goes away, replace the original XM receiver XM Receiver Removal/Installation.�
3. Turn the ignition switch to LOCK (0) for 1 minute, then turn it back to ON (II).
4. Test all of the XM radio channel preset buttons for proper recall operation.
Do the preset buttons recall the XM radio stations?
YES -
System is normal at this time. Check connections at the audio unit.�
NO -
Go to step 5.
5. Turn the ignition switch to LOCK (0).
6. Measure the voltage between XM receiver connector A (14P) terminal No. 1 and body ground.
Is there battery voltage?
YES -
Go to step 8.
NO -
Go to step 7.
7. Measure the voltage between audio unit connector E (14P) terminal No. 1 and body ground.
Is there battery voltage?
YES -
Repair an open or high resistance in the wire between audio unit connector E (14P) terminal No. 1 and XM receiver connector A (14P) terminal No. 1.�
NO -
Replace the audio unit; with navigation system Audio Unit Removal/Installation (With Navigation), without navigation system Audio Unit Removal/Installation (Without Navigation).�
8. Turn the ignition switch to ON (II).
9. Measure the voltage between XM receiver connector A (14P) terminal No. 11 and body ground.
Is there less than 0.2 V?
YES -
Replace the XM receiver XM Receiver Removal/Installation.�
NO -
Repair an open or high resistance in the wire between audio unit connector E (14P) terminal No. 11 and XM receiver connector A (14P) terminal No. 11.�