Symptom Troubleshooting

Navigation System Symptom Troubleshooting - Navigation frequently asks for anti-theft code and/or needs GPS initialization

Navigation frequently asks for anti-theft code and/or needs GPS initialization

NOTE:

- This is often caused by a loss of battery power, a low or poor battery condition, or a poor ground.
- Make sure that the correct DVD color and version are installed.
- Before troubleshooting, make sure you have the navigation system anti-theft code.
- After troubleshooting, enter the navigation system anti-theft code.
- Check any official Honda service website for more service information about the navigation system.

1. 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 2.

NO -

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

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

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





Is there battery voltage?

YES -

Go to step 4.

NO -

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

4. 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 Audio-Navigation Unit Removal/Installation (With Navigation).�

NO -

Repair an open or high resistance in the wire between the audio-navigation unit and body ground; (G504), (G505).�