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 Testing and Inspection.
- Check the connectors for poor connections or loose terminals.
- 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 navigation DVD color and version are installed.
- Check any official Honda service website for more service information about the navigation system.

1. Turn the ignition switch to LOCK (0).

2. Disconnect navigation unit connector A (8P), and check for loose terminals.

Are any of the terminals loose?

YES -

Repair or replace the loose terminal(s).�

NO -

Go to step 3.

3. Reconnect navigation unit connector A (8P).

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

5. 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 6.

NO -

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

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





Is there less than 0.2 V?

YES -

Replace the navigation unit Service and Repair.

NO -

Repair an open or high resistance in the wire between the navigation unit and body ground (G602) [1][2]Harness.�