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 Battery Test.
- 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 battery voltage?

YES -

Go to step 6.

NO -

Repair an open or high resistance in the wire between XM receiver connector A (14P) terminal No. 11 and audio unit connector B (14P) terminal No. 11.

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

7. Disconnect these connectors:

- Audio unit connector B (14P)
- XM receiver connector A (14P) (with XM)
- USB adapter control unit connector A (14P)
- 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 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) Audio Unit Removal/Installation (With Navigation System), (with premium audio) Audio Unit Removal/Installation (Without Navigation System), and recheck. If the symptom/indication goes away, replace the original audio unit (with ELS audio) Audio Unit Removal/Installation (With Navigation System), (with premium audio) Audio Unit Removal/Installation (Without Navigation 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 XM Receiver Removal / Installation.