XM Radio Display Is Blank and No Station Information Is Displayed (USA 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 (USA models with navigation)
NOTE:
- Check the vehicle battery condition first Testing and Inspection.
- Check the connectors for poor connections or loose terminals.
- If you replace the XM receiver, the AcuraLink must be reactivated by Acura Client Services.
1. Measure the voltage between AcuraLink control unit (XM receiver) connector A (32P) terminal No. 1 and body ground.
Is there battery voltage?
YES -
Go to step 2.
NO -
Repair an open in the wire between No. 15 (10 A) fuse in the under-hood fuse/relay box and AcuraLink control unit (XM receiver) connector A (32P) terminal No. 1.�
2. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
3. Measure the voltage between body ground and AcuraLink control unit (XM receiver) connector A (32P) terminals No. 2 and No. 3 individually.
Is there battery voltage?
YES -
Go to step 4.
NO -
Repair an open in the wire between the No. 12 (7.5 A) fuse in the driver's under-dash fuse/relay box and AcuraLink control unit (XM receiver) connector A (32P) terminal No. 2, or repair an open in the wire between the No. 18 (7.5A) fuse in the driver's under-dash fuse/relay box and AcuraLink control unit (XM receiver) connector A (32P) terminal No. 3.�
4. Measure the voltage between AcuraLink control unit (XM receiver) connector A (32P) terminal No. 28 and body ground.
Is there less than 0.2 V?
YES -
Go to step 5.
NO -
Repair an open or high resistance in the wire between AcuraLink control unit (XM receiver) connector A (32P) terminal No. 28 and body ground (G501).�
5. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
6. Disconnect these items:
- Audio-navigation unit connector C (14P)
- HandsFreeLink control unit 28P connector
- AcuraLink control unit (XM receiver) connector A (32P)
- Navigation display unit 32P connector
7. Check for continuity between AcuraLink control unit (XM receiver) connector A (32P) and audio-navigation unit connector C (14P) according to the table.
Is there continuity?
YES -
Go to step 8.
NO -
There is an open in the wire(s) between the audio-navigation unit and the AcuraLink control unit (XM receiver). Replace the affected shielded harness.�
8. Check for continuity between body ground and AcuraLink control unit (XM receiver) connector A (32P) according to the table.
Is there continuity?
YES -
There is a short to body ground in the wire(s) between the audio-navigation unit and the AcuraLink control unit (XM receiver). Replace the affected shielded harness.�
NO -
Go to step 9.
9. Check for continuity between the terminals of AcuraLink control unit (XM receiver) connector A (32P) according to the table.
Is there continuity between any of the terminals?
YES -
There is a short in the wires between the audio-navigation unit and the AcuraLink control unit (XM receiver). Replace the affected shielded harness.�
NO -
Substitute a known-good audio-navigation unit (including the HDD) Audio-Navigation Unit Removal/Installation (With Navigation), and recheck. If the symptom/indication goes away, replace the original audio-navigation unit. If the symptom/indication is still present, substitute a known-good AcuraLink control unit (XM receiver) AcuraLink Control Unit (XM Receiver) Removal/Installation, or update the AcuraLink control unit Programming and Relearning, if it does not have the latest software, then recheck. If the symptom/indication goes away after the substitution, replace the original AcuraLink control unit (XM receiver) AcuraLink Control Unit (XM Receiver) Removal/Installation. If the symptom/indication goes away after the update, troubleshooting is complete. If the symptom/indication is still present, go to step 1 and recheck.�