Diesel Data: Automotive Repair

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.
- Check that connectors for poor connections or loose terminals.

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

2. Measure the voltage between body ground and navigation unit connector C (8P) terminals No. 1 and No. 2 individually.





Is there battery voltage?

YES -

Go to step 3.

NO -

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

3. Measure the voltage between navigation unit connector C (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 C (8P) terminal No. 4 and body ground (G504).�