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Programming and Relearning

ENGINE IMMOBILIZER SYSTEM

REGISTRATION PROCEDURE

HINT:
In case of having lost all the already registered master keys, you are not able to do additional registration or deletion. Change the engine and ECT ECU and then must register the new key codes according to the following registration procedure of the automatic registration mode.

1. KEY REGISTRATION IN AUTOMATIC REGISTRATION MODE
a. Registration of a new transponder key.






HINT:
- This must be done when you install a new Engine and ECT ECU.
- The new Engine and ECT ECU is on the automatic key code registration mode. The already fixed number of key codes for this Engine and ECT ECU can be registered.
On this type of vehicle, up to 3 key codes can be registered.
- In the automatic registration mode, the last key registered becomes sub-key.






HINT:
- When a key is not inserted in the key cylinder on the automatic registration mode, the security indicator always lights on.
- When the immobilizer system operates normally and the key is pull out, the security indicator blinks.
- When key code registration could not be performed on the automatic registration mode, code 2-1 is output from the security indicator and when inserting the already registered key, code 2-2 is output.

b. Automatic registration mode completion
If completing the mode forcibly when more than 1 key code have been registered on the automatic registration mode, perform the following procedures.
After 1 more key code is registered with master key, turn the ignition switch LOCK -> ON 5 times within 10 secs. by inserting the registered key or without pulling the key out.







2. REGISTRATION OF ADDITIONAL MASTER KEY AND SUB KEY
Do this operation to register an additional master key and sub key.

HINT:
- It is possible to register up to 4 master key codes including the registered key code.
- It is possible to register up to 2 sub key codes including the registed key code.
- When any operation time described below is over, registration mode completes.
- When the next procedure is performed while the timer is working, the timer completes counting time, then next timer starts.




3. ERASURE OF TRANSPONDER KEY CODE
Do this operation to erase transponder key registration from the transponder key computer.

HINT:
Delete all other master and sub-key codes leaving the master key code to use the operation. When using the key which was used before deletion, it is necessary to register the code again.
- When any operation time described below is over, registration mode completes.
- When the next procedure is performed while the timer is working, the timer completes counting time, then next timer starts.

4. ECU COMMUNICATION ID REGISTRATION

NOTICE:
- The ECU communication ID should be registered when the transponder key ECU and/or the ECM is replaced, in order to match these ECM COMMUNICATION ID.
- The engine cannot be started unless the ECM COMMUNICATION ID matches.

a. Register the ECU communication ID.
(1) After the transponder key ECU and/or the ECM is replaced, turn the ignition switch ON (the engine is not running.).
(2) Short the Tc and CG terminals of the DLC3 and leave it as is for 30 minutes.
(3) Check that the engine starts.
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