XM Radio Display Is Blank and No Station Information Is Displayed

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

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 ON (II).

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 XM receiver connector A (14P) terminal No. 1 and audio unit connector E (14P) terminal No. 1.�

3. 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 4.

NO -

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

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

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





Is there 10 V or more present?

YES -

Go to step 6.

NO -

Substitute a known-good XM receiver XM Receiver Removal/Installation, and recheck. If 10 V or more is still not present, replace the original XM receiver.�

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

7. Measure the voltage between audio unit connector E (14P) terminal No. 2 and body ground.





Is there less than 2.0 V?

YES -

Go to step 8.

NO -

Substitute a known-good audio unit Audio Unit Removal/Installation (With Navigation), and recheck. If 2.0 V or more are present, replace the original audio unit.�

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

9. Disconnect audio unit connector E (14P) and XM receiver connector A (14P).

10. Check for continuity between audio unit connector E (14P) and XM receiver connector A (14P) as shown.





Is there continuity?

YES -

Go to step 11.

NO -

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

11. 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 12.

12. 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 Audio Unit Removal/Installation (With Navigation), and recheck. If the symptom/indication goes away, replace the original audio unit. 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.�