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:

- Check the vehicle battery condition first 12 Volt Battery Test.
- This is often caused by a loss of battery power, or a poor ground.
- Make sure that the correct navigation DVD color and version are installed.
- Check any official Honda service website for more information about the navigation system.

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

2. Measure the voltage between audio-navigation unit connector A (24P) terminal No. 3 and body ground, and between audio-navigation unit connector C (8P) terminal No. 4 and body ground.









Is there battery voltage in either terminal?

YES -

Go to step 3.

NO -

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

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









Is there less than 0.2 V in either terminal?

YES -

Replace the audio-navigation unit Audio-Navigation Unit Removal/Installation.

NO -

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