Symptom Troubleshooting

Audio System Symptom Troubleshooting - XM radio display is blank and no station information is displayed

XM radio display is blank and no station information is displayed (without AcuraLink)

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 LOCK (0).

2. Measure the voltage between XM receiver connector A (14P) terminal No. 1 and body ground.





Is there battery voltage?

YES -

Go to step 3.

NO -

Repair an open in the wire between the audio unit and the XM receiver.�

3. Turn the ignition switch to ON (II).

4. Measure the voltage between XM receiver connector A (14P) terminal No. 2 and body ground.





Is there less than 0.2 V?

YES -

Go to step 5.

NO -

Substitute a known-good XM receiver XM Receiver Removal/Installation, and recheck. If 10 V or more is present, replace the original XM receiver XM Receiver Removal/Installation.�

5. Measure the voltage between XM receiver connector A (14P) terminal No.11 and body ground.





Is there less than 0.2 V?

YES -

Go to step 6.

NO -

Substitute a known-good audio unit Audio Unit Removal/Installation (Without Navigation System), and recheck. If 0.5 V or less is present, replace the original audio unit.�

6. Turn the ignition switch to LOCK (0).

7. Disconnect audio unit connector B (14P), XM receiver connector A (14P), USB adapter control unit connector A (14P), and the HandsFreeLink control unit 28P connector.

8. Turn the ignition switch to ON (II).

9. Measure the voltage between body ground and audio unit connector B (14P) terminals No. 9 and No. 10 individually.





Is there less than 0.5 V?

YES -

Go to step 10.

NO -

Substitute a known-good audio unit Audio Unit Removal/Installation (Without Navigation System), and recheck. If 0.5 V or less are present, replace the original audio unit Audio Unit Removal/Installation (Without Navigation System).�

10. Turn the ignition switch to LOCK (0).

11. Check for continuity between the following terminals of audio unit connector B (14P) and XM receiver connector A (14P) according to the table.









Is there continuity?

YES -

Go to step 12.

NO -

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

12. Check for continuity between body ground and XM receiver connector A (14P) terminals No. 9 and No. 10 individually.





Is there continuity?

YES -

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

NO -

Go to step 13.

13. Check for continuity between the terminals of XM receiver connector A (14P) according to the table.









Is there continuity between any of the terminals?

YES -

There is a short in the wire(s) between the audio unit and the XM receiver. Replace the affected shielded harness.�

NO -

Substitute a known-good audio unit with ELS audio system Audio Unit Removal/Installation (With Navigation System), with premium audio system Audio Unit Removal/Installation (Without Navigation System), and recheck. If the symptom/indication goes away, replace the original audio unit., with ELS audio system, with premium audio system. If the symptom is still present, substitute a known-good XM receiver XM Receiver Removal/Installation, and recheck. If the symptom/indication goes away, replace the original XM receiver.�