ESN Unlock Code for Japanese Car Radio, DVD and Navigation Head Unit

What is Eclipse ESN Unlock Code

ESN is a security system which renders the navigation and audio functions inoperable when the battery terminal is disconnected and reconnected. In general, removing a dead battery or removal of Navigtion Unit for repairs can result in locking units in some Japanese built cars. Unlocking the unit requires an ESN unlock code or ESN password. ESN Unlock Password is a 6 digit code. ESN password generation requires ESN serial number.
Refer to How To section for more details.

How to Find Eclipse ESN Serial No

To obtain the ESN unlock code, first you need to retrieve the ESN serial number from your car's head unit according to the instructions below.
1. Press and hold the main and navi button on your navigation player for few seconds. [More Details]
2. A new screen will show up on-screen showing 6 digits Eclipse ESN serial number. e.g. 3BFB42, 40793F.