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 DIAGNOSISSTARTING AND CHARGINGSTARTING SYSTEMIGNITION SWITCHTESTING AND INSPECTION
2004 Honda S2000 L4-2.2L
Ignition Switch: Testing and Inspection
2004 Honda S2000 L4-2.2LSECTION Testing and Inspection
Ignition Switch Test
SRS components are located in this area. Review the SRS component locations, and precautions, and procedures before performing repairs or service.
1. Make sure you have the anti-theft code for the radio, then write down the frequencies for the radio's preset buttons.
2. Disconnect the battery negative cable.
3. Disconnect the 7P connector from the under-dash fuse/relay box.
4. Check for continuity between the terminals in each switch position according to the table.
5. If the continuity checks do not agree with the table, replace the electrical switch.
6. After reconnecting the battery, enter the anti-theft code for the radio, then enter the customer's radio station presets.
SRS components are located in this area. Review the SRS component locations, and precautions, and procedures before performing repairs or service.
1. Make sure you have the anti-theft code for the radio, then write down the frequencies for the radio's preset buttons.
2. Disconnect the battery negative cable.
3. Disconnect the 7P connector from the under-dash fuse/relay box.
4. Check for continuity between the terminals in each switch position according to the table.
5. If the continuity checks do not agree with the table, replace the electrical switch.
6. After reconnecting the battery, enter the anti-theft code for the radio, then enter the customer's radio station presets.
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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.