Symptom Troubleshooting

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 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. Turn the ignition switch to ON (II).

4. 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 5.

NO - If the +B wire does not have voltage, repair an open in the wire between the under-hood fuse/relay box and navigation unit connector A (8P). If the ACC wire does not have voltage, repair an open in the wire between the driver's under-dash fuse/relay box and navigation unit connector A (8P).






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

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

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

8. 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 navigation unit connector A (8P) and body ground (G651).