Immobilizer Anti-Theft System Maintenance And Repair; Key Coding Procedure; Id Code Reprogramming; On-Vehicle Service - Daewoo Nubira Owner's Manual

9T – 4IIMMOBILIZER ANTI–THEFT SYSTEM
MAINTENANCE AND REPAIR
ON–VEHICLE SERVICE

KEY CODING PROCEDURE

1. Install the immobilizer control unit cartridge in the
scan tool.
2. Turn the ignition OFF
3. Connect the scan tool.
4. Turn the ignition ON with the key to be coded.
5. Enter the four–digit password that enables service
personnel to use the scan tool for coding keys.
6. A lost key can be deleted only by deleting all keys
and reauthorizing the remaining keys as new keys.
If a key is lost, go to the next step. If no keys have
been lost but an additional key is desired, go to
Step 8.
7. Use the scan tool command DELETE ALL KEY
CODES.
8. Use the scan tool command AUTHORIZE ONE
ADDITIONAL KEY.
9. Repeat Steps 4, 5, and 6 until the immobilizer con-
trol unit has recorded all of the new keys or, after a
deletion, has reauthorized all of the remaining keys.
The immobilizer control unit can record a maximum
of five keys.
10. Return the system to the normal mode.
11. Turn the ignition OFF.
12. Turn the ignition ON.
13. Start the engine.

ID CODE REPROGRAMMING

Reprogram the identification (ID) code in the following si-
tuations:
1. An immobilizer control unit has been replaced.
2. An electronic control module (ECM) has been re-
placed.
If a valid key has been lost, refer to"Key Coding Proce-
dure" in this section.
Reprogramming Procedure
1. Turn the ignition OFF. Reprogramming is not al-
lowed while the engine is running.
2. Insert the immobilizer control unit cartridge into the
scan tool.
3. Turn the ignition ON, but do not start the vehicle.
4. Enter the four–digit password that enables service
personnel to use the scan tool for ID code repro-
gramming.
5. Use the scan tool to command RESET ID CODE.
DAEWOO V–121 BL4