Diesel Data: Automotive Repair

Symptom Troubleshooting




Navigation System Symptom Troubleshooting - No picture is displayed

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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.
- Check the connectors for poor connections or loose terminals.
- Before troubleshooting, make sure you have the anti-theft code.
- After troubleshooting, enter the anti-theft code.

1. Check the No. 9 (10 A) fuse in the under-hood fuse/relay box and No. 8 (7.5 A) fuse in the under-dash fuse/relay box, and reinstall the fuse if it is OK.

Are the fuse 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. Measure the voltage between audio-navigation unit connector A (24P) terminal No. 24 and body ground, and between audio-navigation unit connector C (8P) terminal No. 1 and body ground.









Is there battery voltage on both terminals?

YES -

Go to step 6.

NO -

Repair an open in the wire between the under-dash fuse/relay box and the audio-navigation unit.�

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

7. Measure the voltage between audio-navigation unit connector A (24P) terminal No. 14 and body ground.





Is there battery voltage?

YES -

Go to step 8.

NO -

Repair an open in the wire between the under-dash fuse/relay box and the audio-navigation unit.�

8. 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.�

NO -

Repair an open or high resistance in the wire between the audio-navigation unit and body ground (G503).�