Registration of Additional Keys With Scan Tool MB991502
REGISTRATION OF ADDITIONAL KEYS WITH THE SCAN TOOL MB991502An additional key is registered with the scan tool while keeping all existing key data.
CAUTION: To prevent damage to scan tool MB991502, always turn the ignition switch to "LOCK" (OFF) position before connecting or disconnecting scan tool MB991502.
NOTE: To register additional keys with the scan tool, two registered keys must be available.
1. Connect scan tool MB991502 to data link connector (16-pin).
2. Turn the ignition switch to "ON" position.
3. At "System Select," press "YES".
4. Select "Immobilizer," press "YES".
5. Select "Special Func," press "YES".
If DTC 11 exists, "Can't execute" will be displayed. Check for DTC 11.
6. Select "Add key ID reg," press "YES"
7. Press the "YES" key to start key ID registration.
8. This will be displayed when the add key ID registration is successful. If an error occurs during key ID registration, the message "Can't execute" will be displayed. If the key has already been registered, "Key ID has been registration" will be displayed.
9. The number of keys currently registered will be displayed. To register an additional key, replace the ignition key with the next key to be registered within five seconds and then press the "YES" key. Key ID registration screen will be displayed, then register another key. If key ID registration is complete, press the "NO" key.
NOTE: A maximum of eight keys can be registered.
10. This completes the registration operation. Turn the ignition switch "LOCK" (OFF) and leave it off for approximately ten seconds.
11. Check that the engine can be started with each of the registered ignition keys.
12. Check that the immobilizer system DTC and MFI system DTC did not set.
13. Turn the ignition switch to "LOCK" (OFF) position.
14. Disconnect scan tool MB991502.