No Picture Is Displayed

Navigation System Symptom Troubleshooting - No picture is displayed

No picture is displayed

NOTE:
* Check the vehicle battery condition first Battery Test.
* Check if the Day/Night button has been pressed, and turned off the display (see the Navigation Manual for more information).
* Check any official Honda service website for more service information about the navigation system.
* Check the connectors for poor connections or loose terminals.

1. Problem verification:

Problem verification
-1. Turn the ignition switch to ON (II).

-2. Check if the navigation display indicates any error message.

Is an error message displayed?
-YES- Refer to the Error Messages Navigation System Error Messages.
-NO- The failure is duplicated, go to step 2.

2. Fuse check:

Fuse check
-1. Turn the ignition switch to LOCK (0).

-2. Check the following fuses.










Are the fuses OK?
-YES- Go to step 3.
-NO- Replace the fuse(s), and recheck. If the fuse(s) blows again, check for a short in the No. A29 (10 A) fuse and/or the No. B19 (7.5 A) fuse circuits.

3. Open wire check (+B_BACK_UP line):

Open wire check (+B_BACK_UP line)
-1. Measure the voltage between test points 1 and 2.


















Is there battery voltage?
-YES- Go to step 4.
-NO- Repair an open in the wire(s) between the No. A29 (10 A) fuse in the under-hood fuse/relay box and the audio-navigation unit.

4. Open wire check (ACC line):

Open wire check (ACC line)
-1. Turn the ignition switch to ON (II).

-2. Measure the voltage between test points 1 and 2.









Is there battery voltage?
-YES- Go to step 5.
-NO- Repair an open in the wire between the No. B19 (7.5 A) fuse in the under-dash fuse/relay box and the audio-navigation unit.

5. Open wire check (GND line):

Open wire check (GND line)
-1. Measure the voltage between test points 1 and 2.


















Is there less than 0.2 V?
-YES- Replace the audio-navigation unit Audio-Navigation Unit Removal and Installation.
-NO- Repair an open or high resistance in the wire(s) between the audio-navigation unit and body ground (G504) and/or body ground (G505).