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Registration Of Additional Keys With The Scan Tool

WARNING: This page is about a different car, the 2004 Mitsubishi Galant. However, it is still accessible from the selected car via links, so may be relevant.

Additional key(s) can be registered with the scan tool while keeping all existing key data.

CAUTION: To prevent damage to scan tool MB991958, always turn the ignition switch to "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.
NOTE: To register additional keys with the scan tool, no registered keys must be lost.
  1. Connect scan tool MB991958 to the 16-pin data link connector.
  2. Turn the ignition switch to "ON" position.
    NOTE: Before registration, check that no DTC code is set. If a DTC code is set, resolve the problem beforehand.
  3. Carry out steps  3 to  6.
    Fig 1: Connecting Scan Tool (MB991958) To 16-Pin Data Link Connector
    G00870878Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  4. Choose "Transponder ID addition" from "Special Function" screen.
    Fig 2: Display Registration With Scan Tool Screen - Transponder Id Addition From Special Function
    G00870879Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  5. Enter the vehicles password (secret code) on the "Transponder ID addition" screen, and then click the check mark icon.
    Fig 3: Display Registration With Scan Tool Screen - Transponder ID Addition
    G00870880Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  6. If an additional registration is made successfully, the screen will ask if another key is registered or not. If the third ignition key is registered, remove the key, which has been registered. Then insert the third key within five seconds, and then turn it to the ON position.
  7. Register the additional ignition key according to step  6. The number of the registered ignition keys are shown on "The number of registered key" screen.
    NOTE: A maximum of eight different keys can be registered.
    Fig 4: Display Registration With Scan Tool Screen - Number Of Registered Key
    G00870881Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  8. This completes the registration operation. Turn the ignition switch "LOCK" (OFF) and leave it off for approximately ten seconds.
  9. Check that the engine can be started with each of the ignition keys.
  10. Check that the immobilizer system DTC and MFI system DTC did not set.
  11. If not DTC is shown, terminate the scan tool MB991958.
  12. Turn the ignition switch to "LOCK" (OFF) position.
  13. Disconnect scan tool MB991958.