XM Radio Display Is Blank and No Station Information Is Displayed (Canada Models With Navigation)

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 (Canada models with navigation)

NOTE:

- Check the vehicle battery condition first Battery Test.
- Check the connectors for poor connections or loose terminals.

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

2. Check for the audio-navigation unit hard error code.

Is DTC 2601 (Display Diag: Connect) indicated?

YES -

Do the DTC 2601 troubleshooting 2601.

NO -

Go to step 3.

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

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





Is there battery voltage?

YES -

Go to step 6.

NO -

Go to step 5.

5. Measure the voltage between audio-navigation unit connector C (14P) terminal No. 1 and body ground.





Is there battery voltage?

YES -

Repair an open or high resistance in the wire between the audio-navigation unit and the XM receiver.

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 Audio-Navigation Unit Removal/Installation.

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

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 and the audio-navigation unit.

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

9. Disconnect audio-navigation unit connector C (14P) and XM receiver connector A (14P).

10. 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 the XM receiver and the audio-navigation unit.

NO -

Go to step 11.

11. Check for continuity between audio-navigation unit connector C (14P) terminal No. 2 and XM receiver connector A (14P) terminal No. 2.





Is there continuity?

YES -

Go to step 12.

NO -

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

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













Is there continuity?

YES -

Substitute a known-good XM receiver XM Receiver Removal / Installation, then reconnect all of the connectors, and recheck. If the symptom/indication goes away, replace the original XM receiver XM Receiver Removal / Installation. If the symptom/indication is still present, replace the audio-navigation unit Audio-Navigation Unit Removal/Installation.

NO -

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