Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Programming and Relearning
2004 Honda S2000 L4-2.2LSECTION Programming and Relearning
Transmitter Programming
Storing transmitter codes; The codes of up to three transmitters can be programmed into the keyless receiver unit memory. (If a fourth code is stored, the code which was input first will be erased.)
NOTE: It is important to maintain the time limits between the steps. Make sure the doors, the hood and the trunk are closed.
1. Turn the ignition switch ON (II).
2. Within 1 to 4 sec., push the transmitter lock or unlock button with the transmitter aimed at the receiver unit behind the driver's side dash.
3. Within 1 to 4 sec.. turn the ignition switch OFF.
4. Within1 to 4 sec., turn the ignition switch ON (II).
5. Within 1 to 4 sec., push the transmitter lock or unlock button with the transmitter aimed at the receiver unit behind the driver's side dash.
6. Within 1 to 4 sec., turn the ignition switch OFF.
7. Within 4 sec., turn the ignition switch ON (II).
8. Within 1 to 4 sec., push the transmitter lock or unlock button with the transmitter aimed at the receiver unit behind the driver's side dash.
9. Within 1 to 4 sec., turn the ignition switch OFF.
10. Within 4 sec., turn the ignition switch ON (II).
11. Within 1 to 4 sec., push the transmitter lock or unlock button with the transmitter aimed at the receiver unit behind the driver's side dash.
12. Confirm you can hear the sound of the door lock actuators. Within 1 to 4 sec., push the transmitter lock or unlock button again. The keyless receiver unit is now in the program mode. You must push the transmitter lock or unlock button of the first transmitter again to program that remote.
13. Within 10 sec., aim the transmitters (up to two additional ones) whose codes you want to store at the receiver unit, and press the transmitter lock or unlock buttons.
Confirm that you can hear the sound of the door lock actuators after each transmitter code is stored.
14. Turn the ignition switch OFF, and pull out the key.
15. Confirm proper operation of the transmitters with the new code(s).
Storing transmitter codes; The codes of up to three transmitters can be programmed into the keyless receiver unit memory. (If a fourth code is stored, the code which was input first will be erased.)
NOTE: It is important to maintain the time limits between the steps. Make sure the doors, the hood and the trunk are closed.
1. Turn the ignition switch ON (II).
2. Within 1 to 4 sec., push the transmitter lock or unlock button with the transmitter aimed at the receiver unit behind the driver's side dash.
3. Within 1 to 4 sec.. turn the ignition switch OFF.
4. Within1 to 4 sec., turn the ignition switch ON (II).
5. Within 1 to 4 sec., push the transmitter lock or unlock button with the transmitter aimed at the receiver unit behind the driver's side dash.
6. Within 1 to 4 sec., turn the ignition switch OFF.
7. Within 4 sec., turn the ignition switch ON (II).
8. Within 1 to 4 sec., push the transmitter lock or unlock button with the transmitter aimed at the receiver unit behind the driver's side dash.
9. Within 1 to 4 sec., turn the ignition switch OFF.
10. Within 4 sec., turn the ignition switch ON (II).
11. Within 1 to 4 sec., push the transmitter lock or unlock button with the transmitter aimed at the receiver unit behind the driver's side dash.
12. Confirm you can hear the sound of the door lock actuators. Within 1 to 4 sec., push the transmitter lock or unlock button again. The keyless receiver unit is now in the program mode. You must push the transmitter lock or unlock button of the first transmitter again to program that remote.
13. Within 10 sec., aim the transmitters (up to two additional ones) whose codes you want to store at the receiver unit, and press the transmitter lock or unlock buttons.
Confirm that you can hear the sound of the door lock actuators after each transmitter code is stored.
14. Turn the ignition switch OFF, and pull out the key.
15. Confirm proper operation of the transmitters with the new code(s).
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.