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 -

Go to step 5.

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 set radio stations?

YES -

Intermittent failure, the 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 body ground and XM receiver connector A (14P) terminals No. 1 and No. 7 individually.





Is there battery voltage?

YES -

Go to step 7.

NO -

Repair an open in the wire(s) between the No. 7(7.5 A) fuse in the under-dash fuse/relay box and XM receiver connector A (14P) terminals No. 1 and No. 7.�

7. 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 in the wire between the XM receiver and body ground (G501).�