XM Radio Display Is Blank and No Station Information Is Displayed (Without AcuraLink)
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 vehicle battery condition first Testing and Inspection.
- Check the connectors for poor connections or loose terminals.
1. Disconnect XM receiver connector A (14P).
2. Turn the ignition switch to ON (II).
3. Measure the voltage between XM receiver connector A (14P) terminal No. 1 and body ground.
Is there battery voltage?
YES -
Go to step 4.
NO -
Repair an open in the wire between audio unit connector C (14P) terminal No. 1 and XM receiver connector A (14P) terminal No. 1.�
4. Measure the voltage between XM receiver connector A (14P) terminal No. 2 and body ground.
Is there battery voltage?
YES -
Go to step 5.
NO -
Repair an open in the wire between audio unit connector C (14P) No. 2 and XM receiver connector A (14P) terminal No. 2.�
5. Turn the ignition switch to LOCK (0).
6. Reconnect XM receiver connector A (14P).
7. Turn the ignition switch to ON (II).
8. 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 9.
NO -
Repair an open in the wire between audio unit connector C (14P) terminal No. 11 and XM receiver connector A (14P) terminal No. 11.�
9. Turn the ignition switch to LOCK (0).
10. Disconnect these items:
- XM receiver connector A (14P)
- Navigation display unit 20P connector
- HandsFreeLink control unit 28P connector
- USB adapter control unit connector A (14P)
- Navigation unit connector B (32P)
11. Check for continuity between XM receiver connector A (14P) and body ground according to the table. Then check for continuity between the same terminals listed in the table and XM receiver connector A (14P) terminal No. 3 (the harness shield).
Is there continuity?
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 13.
12. Check for continuity between XM receiver connector A (14P) and the navigation display unit 20P connector according to the table.
Is there continuity?
YES -
Go to step 13.
NO -
There is an open in the wire(s) between the navigation display unit and the XM receiver.�
13. Check for continuity between XM receiver connector A (14P) and the HandsFreeLink control unit 28P connector according to the table.
Is there continuity?
YES -
Go to step 14.
NO -
There is an open in the wire(s) between the HandsFreeLink control unit and the XM receiver. Replace the affected shielded harness.�
14. Check for continuity between XM receiver connector A (14P) and USB adapter control unit connector A (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 unit Audio Unit Removal / Installation.�
NO -
There is an open in the appropriate wire between the USB adapter control unit and the XM receiver. Replace the affected shielded harness.�