Encrypted Code Registration Using Ignition Key < Registration Using Scan Tool MB991958 (M.U.T.-III Sub Assembly) >

When the ECM < M/T>, PCM < A/T> or the ETACS-ECU is replaced, or the ignition key is lost or additional keys are requested, the ignition key must be used to register encrypted codes.

Required Special Tools: 

• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
  • MB991824: V.C.I.
  • MB991827: M.U.T.-III USB Cable
  • MB991910: M.U.T.-III Main Harness A

1. Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to the "ON" position.
3. Choose "IMMOBILIZER" from the "POWER TRAIN" tab.
   Fig 1: Scan Tool Display - Immobilizer

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4. Enter the VIN code of the vehicle that is registered. Then, press "OK" button.
   Fig 2: Scan Tool Display - Diagnosis Vehicle Information

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   Fig 3: Scan Tool Display - VIN Code

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5. Select "Special Function."
   Fig 4: Scan Tool Display - Special Function

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6. Select "Key Registration (using key)."
   Fig 5: Scan Tool Display - Key Registration (Using Key)

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7. Enter the password of the vehicle, and press the OK button.
   Fig 6: Scan Tool Display - Password Enter Screen

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8. Registration of the ignition key will be started.
   Fig 7: Scan Tool Display - Key Registration

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9. When the ignition key registration is finished, the additional key registration menu is displayed. To register the additional key, insert the key and turn the ignition switch to the "ON" position. Then, press the OK button. Press the CANCEL button to terminate the ignition key registration.
   Fig 8: Scan Tool Display - Additional Key Registration

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10. A maximum of eight ignition keys can be registered. When the registration of the eighth ignition key is finished, key registration completion menu is displayed. Press the OK button and finish the ignition key registration.
    Fig 9: Scan Tool Display - Key Registration Completed

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