Tuesday, September 25, 2018

1996, 1997, Lexus SC400 Keyless Remote Programming Instructions

This keyless remote programming instruction works on this 3 button remote with part # 89742-50510 and FCC id HYQWDT-C

Replacement Remote 89742-50510, HYQWDT-C
Replacement Remote
1. Before programming make sure driver door is unlocked and OPEN. All other doors are closed.
2. Put the key in the ignition (don’t turn it) and pull it out.
3. Perform these steps within 40 seconds:
a. Using the power lock/unlock switch on the driver’s door, perform 5 lock/unlock cycles starting with lock. A lock/unlock cycle consists of pressing the power lock switch, followed by pressing the power unlock switch on the driver’s door panel. Use an even pace and try to go relatively fast.
b. Close then open the driver’s door.
4. Do the steps below within 40 seconds:
a. Perform 5 lock/unlock cycles again with the switch on the driver’s door starting with lock.
b. Put the key in the ignition. Turn the ignition to ON (don't start the engine) then back to OFF two times.
c. Take the key out from the ignition. Within 3 seconds, the power door locks should cycle (lock then unlock) automatically which means you're now in programming mode. If not, start from the top.
5. Perform these steps within 40 seconds:
a. Press any button on the first remote for 1 second and release. Within 3 seconds the door locks should cycle once. If door locks do not cycle then repeat this step because your remote has not been accepted.
b. Close then open the door once.
c. Press any button on the same remote for 1 second and release. Within 3 seconds the door locks should cycle to indicate successful programming. If they do not cycle or they cycle twice then your remote has not been accepted.
d. If programming additional remotes (including existing remotes which must be programmed at this time) then repeat steps 5a-c for each remote (within 40 seconds of previous remote.)
6. Close the driver’s door.

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