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 any official Honda service website for more service information about the navigation system.
- This is often caused by a loss of battery power, a low or poor battery condition, or a poor ground.
- Make sure the correct navigation DVD (color and version) is installed.

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

2. 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 3.

NO -

If the +B wire does not have voltage, repair an open in the wire between the under-dash fuse relay box and the navigation unit. If the ACC wire does not have voltage, repair an open in the wire between the under-dash fuse/relay box and the navigation unit.�

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





Is there less than 0.2 V?

YES -

Substitute a known-good navigation unit Service and Repair, and retest. If the problem goes away, replace the original navigation unit Service and Repair.�

NO -

Repair an open or high resistance in the wire between navigation unit connector A (8P) and body ground (G503).�