XM Radio Preset Memory Is Lost (With AcuraLink)

XM radio preset memory is lost (with AcuraLink)

NOTE:
- Check the vehicle battery condition first.
- Always check the connectors for poor connections or loose terminals.
- If you replace the AcuraLink control unit (XM receiver), the AcuraLink must be reactivated by Acura Client Services.
- If you can only tune to channel 000, 001, 174, and 247, make sure the audio unit is set to channel mode (see owners manual), if it is set to channel mode, call XM Satellite Radio customer support and check the account activation status.

1. Turn the ignition switch to ON (II).
2. Turn on the audio unit and set each of the XM radio channel preset buttons.

Do each of the XM radio channel preset buttons set properly?

YES - Go to step 3.

NO - Go to step 7.

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 - 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. Disconnect AcuraLink control unit (XM receiver) connector A (20P)
7. Measure the voltage between AcuraLink control unit (XM receiver) connector A (20P) No. 1 terminal and body ground.






Is there battery voltage?

YES - Go to step 8.

NO - Repair open in the wire between the driver's under-dash fuse/relay box and AcuraLink control unit (XM receiver) connector A (20P) No. 1 terminal.

8. Turn the ignition switch to ON (II).
9. Measure the voltage between AcuraLink control unit (XM receiver) connector A (20P) No. 2, and No. 12 terminals and body ground individually.






Is there battery voltage?

YES - Go to step 10.

NO - Repair open in the wire between the driver's under-dash fuse/relay box and AcuraLink control unit (XM receiver) connector A (20P) No. 2 and No. 12 terminals.

10. Reconnect AcuraLink control unit (XM receiver) connector A (20P).
11. Measure the voltage between AcuraLink control unit (XM receiver) connector A (20P) No. 11 terminal and body ground.






Is there less than 0.1 V?

YES - Replace the AcuraLink control unit (XM receiver).

NO - Repair open in the wire between audio unit connector A (20P) No. 11 terminal and body ground (G602).