2003 LEXUS SC430 Key Fob Programming Instructions

This keyless remote programming instructions work for RHK L(P),U, T remote with part # 89070-50660 FCC id N1412BBB HYQ12BBK and part # 50111 no triangle on unlock.

Replacement Remote 89070-50660, N1412BBB, HYQ12BBK
1. Before going to programming mode make sure:
a. There are no keys in the ignition.
b. Your door (Driver’s door) is open and unlocked others are closed.
2. Now, do this twice within 5 seconds:
a. Put your key in and out the ignition. (Don’t start the engine)
3. Do these within 40 seconds:
a. Close then open the door twice.
b. Put your key in the ignition and pull it out once. 
4. Now, do all these within 40 seconds:
a. Close then open the door twice.
b. Put the key in the ignition.
c. Close the door the again.
d. Turn the key to ON position in the ignition then turn it back OFF. (Again, don’t start the engine)
e. Take the key off the ignition. 
5. The door locks will cycle (lock and unlock) which means you’re in programming mode. If not, then you need to start all over again.
6. Perform these steps within 40 seconds:
a. Press the lock and unlock buttons on the transmitter simultaneously for 1 second.
b. Immediately after releasing the lock and unlock buttons, press the unlock button by itself and hold for 2 seconds. Within 3 seconds, the door locks should cycle (lock then unlock) once indicating successful programming. If the door locks cycle twice, repeat steps 6a and 6b for this remote as it has not been accepted.
7. Open driver’s door.

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