XM Radio Display Is Blank And No Station Information Is Displayed (Without Navigation With XM Radio)

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 navigation)

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- Check the connectors for poor connections or lose terminals.

1. Measure the voltage between body ground and XM receiver connector A (14P) terminals No. 1 and No. 7 individually.





Is there battery voltage?

YES -

Go to step 2.

NO -

Repair an open in the wire between the No. 9 (10 A) fuse in the under-hood fuse/relay box and XM receiver connector A (14P) terminals No. 1 and/or No. 7.�

2. Disconnect audio unit connector D (14P) and XM receiver connector A (14P).

3. Check for continuity between XM receiver connector A (14P) terminal No. 2 and body ground.





Is there continuity?

YES -

Repair a shot to body ground in the wire between XM receiver connector A (14P) terminal No. 2 and audio unit connector D (14P) terminal No. 2.�

NO -

Go to step 4.

4. Check for continuity between audio unit connector D (14P) terminal No. 2 and XM receiver connector A (14P) terminal No. 2.





Is there continuity?

YES -

Go to step 5.

NO -

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

5. Reconnect XM receiver connector A (14P).

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

7. 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 8.

NO -

Repair an open or high resistance in the wire between the XM receiver connector A (14P) terminal No. 11 and body ground (G551).�

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

9. Disconnect XM receiver connector A (14P).

10. Check for continuity between audio unit connector D (14P) and body ground according to the table.









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 11.

11. Check for continuity between the terminals of audio unit connector D (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 -

Go to step 12.

12. Check for continuity between audio unit connector D (14P) and XM receiver connector A (14P) according to the table.













Is there continuity?

YES -

Substitute a known-good XM receiver XM Receiver Replacement, then reconnect all of the connectors, and recheck. If the symptom/indication goes away, replace the original XM receiver XM Receiver Replacement. If the symptom/indication is still present, replace the audio unit Audio Unit Removal/Installation (Without Navigation).�

NO -

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