Lost your 2012 Mitsubishi Lancer Key Fob or need to program a new one? Don’t worry, programming your key fob for your Mitsubishi Lancer can often be done yourself, saving you time and money compared to dealership services. This guide provides comprehensive, step-by-step instructions to program your 2012 Mitsubishi Lancer key fob, covering key programming, remote programming, and F.A.S.T. key programming.
Programming the Key Portion of Your 2012 Mitsubishi Lancer Key Fob
This section outlines how to program the transponder chip within your key fob, which allows your 2012 Mitsubishi Lancer to start. Before you begin, ensure your new key is cut by a locksmith or a qualified professional. This procedure requires at least one existing working key.
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Insert First Working Key: Place your existing, functional key into the ignition cylinder of your 2012 Mitsubishi Lancer.
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Turn Ignition ON and OFF: Turn the ignition to the “ON” position (without starting the engine) for 5 seconds. Then, turn it back to the “OFF” position and remove the key.
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Insert Second Working Key: Within 10 seconds of removing the first key, insert a second working key into the ignition and turn it to the “ON” position. You should observe the security light flashing twice. Turn the ignition back to “OFF” and remove the key.
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Insert New Key: Within 10 seconds, insert the new, unprogrammed key into the ignition and turn it to the “ON” position.
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Wait for Security Light: The security light will illuminate for approximately 3 seconds. This indicates that your new key has been successfully programmed to your 2012 Mitsubishi Lancer.
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Program Additional Keys (Optional): If you have more keys to program, repeat steps 4 and 5. Remember, all new keys must be programmed within 30 seconds of the security light flashing twice in step 3.
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Exit Programming Mode: To exit the programming mode, simply leave the ignition switched to the “ON” position for more than 30 seconds.
Programming the Remote Portion of Your 2012 Mitsubishi Lancer Key Fob
After programming the key portion, you’ll need to program the remote functions of your 2012 Mitsubishi Lancer key fob, such as locking and unlocking your doors remotely.
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Locate the Data Port (OBD-II Port): Find the Data Port, also known as the OBD-II port, in your 2012 Mitsubishi Lancer. It’s typically located under the driver’s side dashboard, usually to the right of the steering column.
This image illustrates the typical location of an OBD-II data port in a vehicle, which is generally under the dashboard on the driver’s side. This port is essential for programming the remote functions of your 2012 Mitsubishi Lancer key fob.
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Ignition OFF and Jumper Wire Preparation: Ensure your keys are out of the ignition and the ignition is in the “OFF” position. Prepare a suitable jumper wire to connect terminals 1 and 4 of the Data Port. Verify that there are metal contact pins in terminals 1 and 4 of your OBD-II port.
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Connect Terminals 1 and 4: Connect the jumper wire between terminals 1 and 4 of the Data Port. Keep the jumper wire connected throughout the entire programming procedure. It’s crucial to correctly identify terminals 1 and 4 for successful programming.
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Press Hazard Switch: Within 10 seconds of connecting the jumper wire, press the Hazard Switch 6 times. If done correctly, the doors of your 2012 Mitsubishi Lancer will automatically lock and unlock once. This indicates that the system has entered programming mode.
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Press LOCK Button on Remote: Press the “LOCK” button on the new remote you want to program three times within 10 seconds. Upon successful programming of the remote to your 2012 Mitsubishi Lancer, the doors will lock and unlock one more time.
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Program Additional Remotes (Optional): Repeat step 5 for any additional remotes you need to program, including existing remotes. You can program up to 4 remotes in total within one minute. After each successful remote programming, the doors will lock and unlock once.
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Disconnect and Finish: Disconnect the jumper wire from the Data Port and remove any keys from the ignition. Test all programmed remotes to ensure they are working correctly with your 2012 Mitsubishi Lancer.
Programming New F.A.S.T. Keys for Your 2012 Mitsubishi Lancer
If your 2012 Mitsubishi Lancer is equipped with a F.A.S.T. (Free Access Start Technology) key system and you have two already programmed valid keys, follow these steps to program a new F.A.S.T. key.
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Remove Emergency Key: Take out the emergency key from the new F.A.S.T. key.
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Remove Ignition Switch Cover: While pressing the lock release buttons on the ignition switch cover, remove the cover.
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Insert Emergency Key: Insert the emergency key into the ignition switch.
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Combine Keys: Insert the already programmed F.A.S.T. key into the emergency key that is in the ignition.
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Turn Ignition ON: Turn the emergency key (with the F.A.S.T. key attached) to the “ON” position. Perform the next steps within 30 seconds.
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Remove F.A.S.T. Key: Remove the programmed F.A.S.T. key from the emergency key, leaving the emergency key in the ignition.
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First Valid F.A.S.T. Key Procedure: With the first valid (already programmed) F.A.S.T. key, press and hold the “UNLOCK” button for 4 to 10 seconds. While holding “UNLOCK”, press the “LOCK” button.
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Release Buttons (First Key): Release the “LOCK” and then the “UNLOCK” buttons in sequence, within 10 seconds of pressing the “LOCK” button in step 7. Perform the next step within 30 seconds.
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Second Valid F.A.S.T. Key Procedure: With the second valid F.A.S.T. key, press and hold the “UNLOCK” button for 4 to 10 seconds. While holding “UNLOCK”, press the “LOCK” button.
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Release Buttons and Check Indicator (Second Key): Release the “LOCK” and then the “UNLOCK” buttons in sequence, within 10 seconds of pressing the “LOCK” button in step 9. The immobilizer display should blink on the information screen in the multi-information display of your 2012 Mitsubishi Lancer. Perform the next step within 60 seconds.
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New F.A.S.T. Key Programming: Press the “LOCK” button twice on the new blank F.A.S.T. key. The immobilizer display should then remain illuminated for 30 seconds on the information screen.
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Completion: This process completes the registration of your new F.A.S.T. key for your 2012 Mitsubishi Lancer.
Note:
- The indicator light on the key fob will illuminate each time a button is pressed.
- The keyless entry system will not function if the key is in the ignition switch.
By following these instructions, you should be able to successfully program your 2012 Mitsubishi Lancer key fob. Always double-check each step and ensure you are following the instructions carefully for your specific model year. If you encounter any difficulties, consulting a professional locksmith or your Mitsubishi dealership is recommended.
