Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2003 Mitsubishi Outlander LS, FWDFACTORY OEM SERVICE PROCEDURE
Key ID Register (Encrypted Code Registration)
NOTE:
Using key ID register function will erase all key IDs (encrypted codes) that have been previously registered in immobilizer-ECU. All keys (8 maximum) need to be registered and should be available during procedure. DO NOT disconnect scan tool halfway through registration process. After registering key IDs, ensure all registered keys will start engine.
- Obtain 4-digit password from vehicle owner. Connect MUT-II scan tool to DLC. See Figure . See FUNCTION SELECTIONΒ . From special function menu, select KEY ID REGISTER. Using left, right, up and down keys, enter 4-digit password obtained from vehicle owner. After entering password, press "Y" key.
- If wrong password is input 5 times in a row, scan tool screen will display CAN'T EXECUTE FOR 20 MIN. DUE TO WRONG PASSWORD. Immobilizer-ECU will switch to start-prevention mode.
- If immobilizer system accepts password, insert key to be registered in ignition switch. Turn ignition switch to ON position. Press "Y" to start key ID registration. When key registration is successful, scan tool screen will display COMPLETED. If error occurs during key ID registration, scan tool screen will display CAN'T EXECUTE. See appropriate IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT. If key has already been registered, scan tool screen will display KEY ID HAS BEEN REGISTERED.
- The number of keys currently registered will be displayed on scan tool screen. To register an additional key, replace ignition key with next key to be registered within 5 seconds and press "Y" key. Continue registering keys up to a maximum of 8 keys. After last key is registered, press "N" key.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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