Registration Of Additional Keys (With Scan Tool)

An additional key is registered with MUT-II scan tool while keeping all existing registered key data. To register additional keys with scan tool, no registered keys must be lost. To register an additional key using scan too1 to perform following:

1. Connect MUT-II or equivalent scan tool to Data Link Connector (DLC). Turn ignition switch to ON position.
2. On scan tool at SYSTEM SELECT, press YES. Select IMMOBILIZER, press YES. Select SPECIAL FUNC, press YES. Select KEY ID REGISTER, press YES. If DTC 11 is stored, CAN'T EXECUTE will be displayed. Perform appropriate test procedure, see appropriate IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.
3. Follow scan tool instructions to add an additional key. If an error occurs during key ID registration, scan tool will display CAN'T EXECUTE. If key has already been registered, KEY ID HAS BEEN REGISTERED will be displayed.
4. The number of keys currently registered will be displayed. To register an additional key, replace ignition key with next key to be registered within 5 seconds and then press YES key. Key ID registration screen will be displayed, then register another key. A maximum of eight different keys can be registered. If key ID registration is complete, press the NO key.
5. This completes the registration operation. Turn ignition switch to LOCK position and leave it off for approximately ten seconds.
6. Check that engine can be started with each registered ignition key.
7. Using scan tool, check that immobilizer system and/or MFI system DTCs did not set. Turn ignition switch to LOCK position. Disconnect scan tool.