Operation CHARM: Car repair manuals for everyone.

No Picture Is Displayed

No picture is displayed

NOTE:
- Always 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.
- For problems with the rearview camera, do the rearview camera does not come on or work properly troubleshooting.
- Always check the connectors for poor connections or loose terminals.
- Before troubleshooting, make sure you have the audio system and the navigation system anti-theft codes.

1. Check the No. 7 (7.5 A) fuse and No. 32 (7.5 A) fuse in the under-dash fuse/relay box, and reinstall the fuse if it is OK.

Is the fuse OK?

YES - Go to step 2.

NO - Replace the fuse and recheck.

2. Turn the ignition switch to ACC (I).
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. Index, Symptom Troubleshooting

4. Turn the ignition switch ON (II).
5. Measure the voltage between body ground and navigation unit connector C (8P) terminals No. 1 and No. 2 individually.






Is there battery voltage?

YES - Go to step 6.

NO - If the +B or ACC wire does not have voltage, repair open in the wire between the under-dash fuse/relay box and the navigation unit.

6. Turn the ignition switch OFF.
7. Disconnect the navigation unit connector C (8P).
8. Check for continuity between navigation unit connector C (8P) terminal No. 4 and body ground.






Is there continuity?

YES - Go to step 9.

NO - Repair open in the wire between the navigation unit and body ground (G501).

9. Reconnect the navigation unit connector C (8P).
10. Do the forced starting of the display.

Is the diagnosis menu of the picture diagnosis displayed?

YES - Go into the Diagnostic mode and use the Navi System Link diagnostic to check the links.

NO - Go to step 11.

11. Shield the navigation display from the sun with your hand, and check that the display is back lit (only back light is ON.)

Can you see the back light?

YES - Replace the navigation unit.

NO - Go to step 12.

12. Turn the ignition switch ON (II).
13. Measure the voltage between body ground and navigation display connector A (20P) terminal No. 1 and No. 2 individually.






Is there battery voltage?

YES - Go to step 14.

NO - If the +B or ACC wire does not have voltage. Repair open in the wire between the under-dash fuse/relay box and the navigation unit.

14. Turn the ignition switch OFF.
15. Disconnect the navigation display connector A (20P).
16. Check for continuity between the navigation display connector A (20P) terminal No. 10 and body ground.






Is there continuity?

YES - Replace the navigation display unit.

NO - Repair open in the wire between the navigation display unit and body ground (G402).