ERC Code Entry Method Details

What is an ERC Code

ERC code is a 16-digit alphanumeric code (using 1,2,3,4,5,6,7,8,9,0,A,B,C,D,E,F) used in Japanese car navigation and audio security systems. This code is designed to lock the unit as a theft prevention feature when the unit is removed from the vehicle or when the battery is depleted or replaced.

About Unlocking

This site provides support for legitimate owners to unlock their devices. By entering the 16-digit ERC code, an 8-digit unlock code will be generated. The service is free for anyone to use, regardless of whether you are an individual, organization, or company, and regardless of where you live.

How to Check Your ERC Code

Method 1: Access via Current Location (MAP) Button + Small Lamp
Enter service inspection mode by pressing and holding the Current Location (MAP) button on the navigation unit while turning the small lamp ON/OFF 3-4 times.
Service Inspection Mode Screen
Example of the Service Inspection Mode screen

Steps:

1. Press and hold the [Current Location MAP] button on the navigation unit.

2. While holding the button, turn the vehicle's small lamp ON/OFF 3-4 times.

3. Release the button when "Service Inspection Mode" appears on the screen.

4. Select "Service Information" from the displayed menu.

5. Touch the "Security Code Entry" button.

6. The 16-digit ERC code will be displayed on the screen. Note this code down.

ERC Code Display Screen
Example of the ERC Code Display screen
Method 2: Access via Picture Quality Adjustment Mode
Access the service inspection mode by performing specific touch operations from the picture quality adjustment mode.
Picture Quality Adjustment Screen
Example of the Picture Quality Adjustment screen

Steps:

1. Long press the [MENU] button on the navigation unit.

2. When the picture quality adjustment mode appears, touch the following positions on the screen in sequence:
Upper left (A) → Lower left (B) → Upper left (A) → Lower left (B) → Upper left (A) → Lower left (B)

3. When touched correctly, the screen will switch to service inspection mode.

4. Select "Service Information" from the displayed menu.

5. Touch the "Security Code Entry" button.

6. The 16-digit ERC code will be displayed on the screen. Note this code down.

Touch Position Explanation
Illustration of touch positions on the screen

How to Get the Unlock Code

Getting the Unlock Code from This Site
An 8-digit unlock code will be generated by entering the 16-digit ERC code you confirmed on the homepage of this site.
Code Entry Screen
Example of the ERC Code Entry screen

Steps:

1. Access the homepage of this site.

2. Enter the 16-digit ERC code you confirmed in the input form.

3. Click the "Generate Unlock Code" button.

4. Note down the 8-digit unlock code that is displayed.

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How to Enter the Unlock Code
The lock will be released by entering the generated 8-digit unlock code into the navigation unit.
Unlock Code Entry Screen
Example of the Unlock Code Entry screen

Steps:

1. Display the "Security Code Entry" screen in the service inspection mode of the navigation unit.

2. Enter the 8-digit unlock code generated by this site.

3. Touch the complete button.

4. When the correct code is entered, a message stating "Security function has been released. The navigation will restart" will be displayed, and the navigation function will be restored.

Frequently Asked Questions

Q: What should I do if the ERC code is not displayed?

A: The method of entering the service inspection mode may differ depending on the model. Please try Method 1 or Method 2.

Q: What if the unit doesn't unlock even after entering the unlock code?

A: Please confirm that you have entered the code correctly. Also, the service may not be compatible with newer models.

Q: Why does the unit lock after battery replacement?

A: Car navigation and audio units are designed to lock when power is cut off as a theft prevention feature. This is a security function to protect legitimate owners.

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