Symptom Troubleshooting

Symptom Troubleshooting: XM radio preset memory is lost

XM radio preset memory is lost (USA models with navigation)

NOTE:

- Check the vehicle battery condition first.

- 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-navigation unit is set to channel mode (see owners manual), if it is set to channel mode, call XM Satellite Radio client support, and check the account activation status.

1. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

2. Turn on the audio system 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 5.


3. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode for 1 minute, then back to ON (II), or the ON mode.

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-navigation unit.

NO - Go to step 5.


5. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

6. Disconnect AcuraLink control unit (XM receiver) connector A (32P).

7. Measure the voltage between AcuraLink control unit (XM receiver) connector A (32P) terminal No. 1 and body ground.

Is there battery voltage?
YES - Go to step 8.

NO - Repair open in the wire between the No. 15 (10 A) fuse in the under-hood fuse/relay box and AcuraLink control unit (XM receiver) connector A (32P) terminal No. 1.






8. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

9. Measure the voltage between AcuraLink control unit (XM receiver) connector A (32P) terminals No. 2 and No. 3 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 (32P) terminals No. 2 and No. 3.






10. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

11. Reconnect AcuraLink control unit (XM receiver) connector A (32P).

12. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

13. Measure the voltage between AcuraLink control unit (XM receiver) connector A (32P) terminal No. 28 and body ground.

Is there less than 0.1 V?
YES - Replace the AcuraLink control unit (XM receiver). Acura Link Control Unit (XM Receiver) Removal/Installation

NO - Repair open in the wire between AcuraLink control unit (XM receiver) connector A (32P) terminal No 28 and body ground (G501).. Audio Wire Harness Connector And Harness Locations