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.
2001 Honda Prelude Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Brake Pedal Position Switch Signal: Odyssey
- Check brake lights. If brake lights are on without depressing brake pedal, check brake pedal position switch and adjust, repair or replace as necessary. If brake lights are not on, depress brake pedal. If brake lights come on, go to next step. If brake lights do not come on, go to step 3.
- Backprobing, measure voltage between PCM connector "A" (31-pin connector) terminal No. 26 (Brown/Black wire) and PCM connector "E" (31-pin connector) terminal No. 9 (White/Black wire) with brake pedal depressed. See Figure. If battery voltage exists, problem is intermittent. Brake pedal position switch signal is okay at this time. If battery voltage does not exist, repair open in White/Black wire between brake pedal position switch and PCM connectors. See WIRING DIAGRAMS article.
- Check No. 47 (20-amp) fuse in underhood fuse/relay box. If fuse is okay, repair open in White/Yellow wire between brake pedal position switch and underhood fuse/relay box connectors. If fuse is not okay, repair short in White/Yellow wire between brake pedal position switch and underhood fuse/relay box and/or White/Black wire between brake pedal position switch and PCM connectors. See WIRING DIAGRAMS article. Replace fuse.
BRAKE SWITCH FUSE IDENTIFICATION
| Model | Fuse No. | Fuse Name | Amperage | Location |
|---|---|---|---|---|
| Accord & Odyssey | No. 47 | STOP | 20-Amp | Underhood Fuse/Relay Box |
| Civic | No. 7 | HORN, STOP | 15-Amp | Underhood Fuse/Relay Box |
| CR-V | No. 52 | HORN, STOP | 15-Amp | Underhood Fuse/Relay Box |
| Insight | No. 6 | HORN, STOP | 10-Amp | Underhood Fuse/Relay Box |
| Prelude | No. 41 | HORN, STOP | 15-Amp | Underhood Fuse/Relay Box |
| S2000 | No. 47 | STOP | 10-Amp | Main Underhood Fuse/Relay Box |
Factory Service Tools
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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.
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