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.

- For problems with the rearview camera, do the rearview camera does not come on or work properly troubleshooting.

- 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 the 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 ACCESSORY (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.


4. Turn the ignition switch to ON (II).

5. Measure the voltage between body ground and navigation unit connector A (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. Measure the voltage between navigation unit connector A (8P) terminal No. 4 and body ground.

Is there 0.2 V or less?
YES - Go to step 7.

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





7. Do the forced starting of display. Navigation System Forced Starting of Display (With Navigation)

Is the diagnosis menu for the picture diagnosis displayed?
YES - Go into the Diagnostic mode and use the Navi System Link diagnostic Navigation System Diagnostic Mode (With Navigation) to check the links.

NO - Go to step 8.


8. Shield the navigation 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 - Substitute a known-good navigation unit Service and Repair and recheck. If the symptom/indication goes away, replace the original navigation unit. Service and Repair

NO - Go to step 9.


9. Measure the voltage between body ground and navigation display unit connector A (20P) terminals No. 1 and No. 2 individually.

Is there battery voltage?
YES - Go to step 10.

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 display unit.






10. Measure the voltage between the navigation display unit connector A (20P) terminal No. 10 and body ground.

Is there 0.2 V or less?
YES - Substitute a known-good navigation unit Service and Repair, and recheck. If the symptom/indication goes away, replace the original navigation unit. Service and Repair If the symptom/indication goes away, replace the navigation display unit. Service and Repair

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