Symptom Troubleshooting

Audio System Symptom Troubleshooting - XM radio display is blank and no station information is displayed (USA models with navigation)

XM radio display is blank and no station information is displayed (USA models with navigation)

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- Check the connectors for poor connections or loose terminals.
- If you replace the XM receiver, the AcuraLink must be reactivated by Acura Client Services.

1. 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 2.

NO -

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

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

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





Is there battery voltage?

YES -

Go to step 4.

NO -

Repair an open in the wire between the No. 12 (7.5 A) fuse in the driver's under-dash fuse/relay box and AcuraLink control unit (XM receiver) connector A (32P) terminal No. 2, or repair an open in the wire between the No. 18 (7.5A) fuse in the driver's under-dash fuse/relay box and AcuraLink control unit (XM receiver) connector A (32P) terminal No. 3.�

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





Is there less than 0.2 V?

YES -

Go to step 5.

NO -

Repair an open or high resistance in the wire between AcuraLink control unit (XM receiver) connector A (32P) terminal No. 28 and body ground (G501) Harness Locations.�

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

6. Disconnect these items:

- Audio-navigation unit connector C (14P)
- HandsFreeLink control unit 28P connector
- AcuraLink control unit (XM receiver) connector A (32P)
- Navigation display unit 32P connector

7. Check for continuity between AcuraLink control unit (XM receiver) connector A (32P) and audio-navigation unit connector C (14P) according to the table.













Is there continuity?

YES -

Go to step 8.

NO -

There is an open in the wire(s) between the audio-navigation unit and the AcuraLink control unit (XM receiver). Replace the affected shielded harness.�

8. Check for continuity between body ground and AcuraLink control unit (XM receiver) connector A (32P) terminals No. 30 or No. 31 individually.





Is there continuity?

YES -

There is a short to body ground in the wire(s) between the audio-navigation unit and the AcuraLink control unit (XM receiver). Replace the affected shielded harness.�

NO -

Go to step 9.

9. Check for continuity between the terminals of AcuraLink control unit (XM receiver) connector A (32P) according to the table.









Is there continuity between any of the terminals?

YES -

There is a short in the wires between the audio-navigation unit and the AcuraLink control unit (XM receiver). Replace the affected shielded harness.�

NO -

Substitute a known-good audio-navigation unit (including the HDD) Audio-Navigation Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio-navigation unit. If the symptom is still present, substitute a known-good AcuraLink control unit (XM receiver) AcuraLink Control Unit-XM Receiver Removal/Installation (With AcuraLink (USA Models With Navigation)), or update the AcuraLink control unit AcuraLink Control Unit Update (With AcuraLink (USA Models With Navigation)), if it does not have the latest software, then recheck. If the symptom/indication goes away after the substitution, replace the original AcuraLink control unit (XM receiver) AcuraLink Control Unit-XM Receiver Removal/Installation (With AcuraLink (USA Models With Navigation)). If the symptom/indication goes away after the update, troubleshooting is complete. If the symptom/indication is still present, go to step 1 and recheck.�