How to Recognize Audio unit and Audio-Navigation Unit

There are two kinds of 7-inch display audio units according to a vehicle model. these units exist as an audio unit (without navigation) and an audio-navigation unit (with navigation), and are look like a same, but the audio-navigation unit displays a Honda Globe screen after displaying a Honda logo screen every time when you turn the vehicle to the ACCESSORY mode. If the unit does not displayed any screen according to failure of the unit or the vehicle, remove the unit, and check for connector G (24P) terminal No. 14. If the terminal is using a GRN wire (VSP line), the unit can be recognized as an audio-navigation unit.