Registration of Additional Keys With Scan Tool MB991958

REGISTRATION OF ADDITIONAL KEYS WITH THE SCAN TOOL MB991958
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, two registered keys must be available.







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 of the sub-section "Registration with scan tool."







4. Choose "Transponder ID addition" from "Special Function" screen.







5. Input the password on the "Transponder ID addition" screen, and then click the check mark icon.







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 above. The number of the registered ignition keys are shown on "The number of registered key" screen.

NOTE: A maximum of eight keys can be registered.

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 registered ignition keys.
10. Check that the immobilizer system DTC and MFI system DTC did not set.
11. If not DTC is shown, terminate the MUT-III.
12. Turn the ignition switch to "LOCK" (OFF) position.
13. Disconnect scan tool MB991958.