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.
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HOMESERVICE MANUALSHONDA2004S2000 L4-2.2LREPAIR AND DIAGNOSISBODY AND FRAMELOCKSKEYLESS ENTRYKEYLESS ENTRY TRANSMITTERTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICS
2004 Honda S2000 L4-2.2L
Component Tests and General Diagnostics
2004 Honda S2000 L4-2.2LSECTION Component Tests and General Diagnostics
Transmitter Test
NOTE:
- If the doors unlock or lock with the transmitter, but the LED on the transmitter does not come on, the LED is faulty; replace the transmitter.
- If any door is open, you cannot lock the door with the transmitter.
- If you unlocked the doors with the transmitter, but do not open any of the doors within 30 seconds, the doors relock automatically.
- The doors do not lock or unlock with the transmitter if the ignition key is inserted in the ignition switch.
1. Press the lock or unlock button five or six times to reset the transmitter.
- If the locks work, the transmitter is OK.
- If the locks don't work, go to step 2.
2. Open the transmitter and check for water damage.
- If you find any water damage, replace the transmitter.
- If there is no water damage, go to step 3.
3. Replace the transmitter battery (A) with a new one, and try to lock and unlock the doors with the transmitter by pressing the lock or unlock button five or six times.
- If the doors lock and unlock, the transmitter is OK.
- If the doors don't lock and unlock, go to step 4.
4. Reprogram the transmitter, then try to lock and unlock the doors.
- If the doors lock and unlock, the transmitter is OK.
- If the doors don't lock and unlock, replace the transmitter.
NOTE:
- If the doors unlock or lock with the transmitter, but the LED on the transmitter does not come on, the LED is faulty; replace the transmitter.
- If any door is open, you cannot lock the door with the transmitter.
- If you unlocked the doors with the transmitter, but do not open any of the doors within 30 seconds, the doors relock automatically.
- The doors do not lock or unlock with the transmitter if the ignition key is inserted in the ignition switch.
1. Press the lock or unlock button five or six times to reset the transmitter.
- If the locks work, the transmitter is OK.
- If the locks don't work, go to step 2.
2. Open the transmitter and check for water damage.
- If you find any water damage, replace the transmitter.
- If there is no water damage, go to step 3.
3. Replace the transmitter battery (A) with a new one, and try to lock and unlock the doors with the transmitter by pressing the lock or unlock button five or six times.
- If the doors lock and unlock, the transmitter is OK.
- If the doors don't lock and unlock, go to step 4.
4. Reprogram the transmitter, then try to lock and unlock the doors.
- If the doors lock and unlock, the transmitter is OK.
- If the doors don't lock and unlock, replace the transmitter.
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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.