No Picture Is Displayed
No picture is displayedNOTE:
- 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.
- Always check the connectors for poor connections or loose terminals.
- Before troubleshooting, make sure you have the navigation system anti-theft code.
- Make sure the DVD surface doesn't have scratches or smudges.
1. Check the No. 7 (10 A) fuse and No. 32 (7.5 A) fuse in the under-dash fuse/relay box.
Are the fuse(s) OK?
YES - Go to step 2.
NO - Replace the fuse and recheck.
2. Start the engine.
3. Turn on the audio unit and listen to the sound.
Can you hear the audio?
YES - Go to step 4.
NO - Go to the audio system troubleshooting.
4. Turn the ignition switch to LOCK (0).
5. Remove the navigation unit.
6. Turn the ignition switch ON (II).
7. 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 8.
NO - If the +B wire does not have voltage, repair open in the wire between the under-dash fuse/relay box and the navigation unit. If the ACC wire does not have voltage, repair open in the wire between the under-dash fuse/relay box and the navigation unit.
8. Measure the voltage between navigation unit connector C (8P) terminal No. 4 and body ground.
Is there 0.1 V or less?
YES - Go to step 9.
NO - Repair open or high resistance in the wire between the navigation unit and body ground (G603).
9. Do the forced starting of the display.
Is the diagnosis menu of the picture diagnosis displayed?
YES - Substitute these units with known-good units in this order until the problem is resolved: navigation unit, audio-HVAC display assembly, audio unit.
NO - Go to step 10.
10. Shield the display unit 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 11.
11. Turn the ignition switch to LOCK (0).
12. Remove the audio-HVAC display module.
NOTE: Eject all the discs before removing the audio unit to prevent damaging the CD player's load mechanism.
13. Turn the ignition switch ON (II).
14. Measure the voltage between body ground and display unit 20P connector terminal No. 1 and No. 2 individually.
Is there battery voltage?
YES - Replace the display unit.
NO - If the +B wire does not have voltage, repair open in the wire between the under-dash fuse/relay box and the navigation unit. If the ACC wire does not have voltage, repair open in the wire between the under-dash fuse/relay box and the navigation unit.