Navigation Display Stays On With Ignition Switch In LOCK (0)

Navigation System Symptom Troubleshooting - Navigation display stays on with ignition switch in LOCK (0)

Navigation display stays on with ignition switch in LOCK (0)

NOTE:
* Check for aftermarket accessories that may interfere with the navigation system.
* The vehicle may have been used for a show event. Check for a short jumper harness in-line with the audio-navigation unit connector A (24P). If a jumper harness is present, remove it, and return it to Tech Line.
* Check any official Honda service website for more service information about the navigation system.
* Check the connectors for poor connections or loose terminals.

1. Problem verification:

Problem verification
-1. Remove the key from the ignition.

Does the navigation screen stay on?
-YES- The failure is duplicated, go to step 2.
-NO- Intermittent failure, the system is OK at this time.

2. Shorted wire check (ACC line to power):

Shorted wire check (ACC line to power)
-1. Measure the voltage between test points 1 and 2.









Is there battery voltage?
-YES- Repair a short to power in the wire between the No. B19 (7.5 A) fuse in the under-dash fuse/relay box and the audio-navigation unit.
-NO- Replace the audio-navigation unit Audio-Navigation Unit Removal and Installation.