Symptom Troubleshooting
Symptom Troubleshooting: No picture is displayed
No picture is displayed
NOTE:
- Check the vehicle battery condition first. Testing and Inspection
- Make sure that the correct DVD color and version are installed.
- Check any official Honda service website for more service information about the navigation system.
- Check the connectors for poor connections or loose terminals.
- Before troubleshooting, make sure you have the navigation system anti-theft code.
1. Check the No. 23 (10 A) fuse in the under-hood fuse/relay box and the No. 35 (7.5 A) fuse in the under-dash fuse/relay box, and reinstall the fuse if it is OK.
Are the fuses OK?
YES - Go to step 2.
NO - Replace the fuse(s), and recheck.
2. Turn the ignition switch to ON (II).
3. Operate the radio and listen to the audio.
Can you hear the audio?
YES - Go to step 4.
NO - Refer to audio system troubleshooting.
4. Turn the ignition switch to LOCK (0).
5. Remove the audio-navigation unit. Audio-Navigation Unit Removal/Installation (With Navigation)
6. Measure the voltage between audio-navigation unit connector A (24P) terminal No. 24 and body ground.
Is there battery voltage?
YES - Go to step 7.
NO - Repair an open in the wire between the under-dash fuse/relay box and the audio-navigation unit.
7. Turn the ignition switch to ON (II).
8. Measure the voltage between audio-navigation unit connector A (24P) terminal No. 14 and body ground.
Is there battery voltage?
YES - Go to step 9.
NO - Repair an open in the wire between the under-dash fuse/relay box and the audio-navigation unit.
9. Measure the voltage between audio-navigation unit connector A (24P) terminal No. 12 and body ground, and between audio-navigation unit connector C (8P) terminal No. 4 and body ground.
Is there less than 0.2 V on both terminals?
YES - Replace the audio-navigation unit. Audio-Navigation Unit Removal/Installation (With Navigation)
NO - Repair an open or high resistance in the wire between the audio-navigation unit and body ground; (G504), (G505).
