Fuse and relay box diagrams – Honda S2000
Applies to vehicles manufactured over the years:
1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009.
Passenger compartment
- Fuse box
- Engine control module (ECM)
- 2006-2009: Electronic Throttle Control System (ETCS) control relay
- High beam cut-off relay
- 2000-2001: Intermittent wiper relay
2002-2009: Rear window defroster relay - Keyless door lock control unit
- 2000-2005: Cruise control
- 2006-2009: Throttle actuator control module
- Ignition coil relay
- Fuel/air ratio sensor relay (A/F)
- 2000-2005: PGM-FI main relay
- 2006-2009: PGM-FI Main Relay No. 1
- 2006-2009: PGM-FI Master Relay No. 2
- Control unit for daytime running lights
- Daytime running light control subunit
- Replacement top control unit
- Audio unit
- Supplementary Restraint System (SRS) unit
- Ignition Relay (IG2)
- Accessory Power Plug Relay
- Main power window switch
- 2002-2009: Rear Window Defogger Switch Relay
Diagram of the fuse box in the passenger compartment
The internal fuse box is located under the instrument panel on the driver’s side. To open it, turn the knob.
| Number | Amps [A] | Description |
|---|---|---|
| 1 | 10 | Supplementary Restraint System (SRS) unit |
| 2 | 15 | Supplementary restraint system (SRS) unit, fuel pump, immobilizer-receiver control unit (2006-2009), PGM-FI master relay (2000-2005), fuel tank unit, passenger airbag cut-off indicator, passenger mass sensor unit |
| 3 | 7,5 | Clutch lock switch, engine start switch, starter cut-off relay, starter solenoid |
| 4 | 15 | 2000-2005: Ignition Coils |
| 5 | 7,5 | Reversing lights, charging system light (2004-2005), daytime running light indicator (DRL), electronic power steering (EPS) control unit, indicator control unit, keyless door lock control unit, folding roof control unit |
| 6 | 15 | Air control solenoid valve, alternator, charging system indicator (2000-2003), cruise control, cruise control master switch, electric charge sensor assembly (ELD), evaporative emission control (EVAP) bypass solenoid valve, EVAP canister bleed valve, heated primary and secondary oxygen sensors, rear window defogger change relay (2002-2005) |
| 7 | 7,5 | Direction indicator/hazard transmitter |
| 8 | 20 | Main window switch , wiper motor, intermittent wiper relay |
| 9 | 10 | Accessory power socket, audio module, radio remote switch, convertible light switch |
| 10 | 7,5 | 2006-2009: Fuel/air sensor relay (A/F) (LAF) |
| 11 | 7,5 | 2006-2009: Electronic Throttle Control System (ETCS) control relay |
| 12 | 15 | Windshield washer motor, convertible top switch |
| 13 | 7,5 | Intermittent wiper drive circuit (in indicator unit) |
| 14 | 15 | 2006-2009: throttle actuator control module |
| 15 | 20 | 2006-2009: Air/Fuel ratio (A/F) sensor No. 1, Evaporative emission control (EVAP) Canister vent valve |
| 16 | 15 | 2006-2009: ignition coils, ignition coil relay |
| 17 | 20 | Driver’s window motor |
| 18 | 20 | Passenger window motor, convertible top control unit |
| 19 | 7,5 | ABS modulator-controller (2000-2005), daytime running light control unit, power mirror actuator, rear window defroster relay |
| 20 | 7,5 | A/C compressor clutch relay, A/C condenser fan motor relay, heater control panel, radiator fan relay, recirculation control motor |
| 21 | 7,5 | Engine control module (ECM), PGM-FI main relay (2000-2005), tire pressure monitoring system (TPMS) control unit |
| 22 | 15 | Audio Unit |
| 23 | 10 | Tail light relay, audio module light, cruise control master switch light, front parking lights, indicator lights, hazard warning switch light, heater control panel light, keyless door lock control unit, license plate light, optional connector, convertible top switch light, radio remote control, light switches, rear side marker lights, tail lights, rear lights, rear defogger switch indicator light, passenger airbag cut-off indicator light (2006-2009), VSA switch light |
| 24 | 7,5 | Ceiling/point lights, starter lights |
| 25 | 7,5 | Engine control module (ECM), indicator assembly, heater control panel, immobilizer indicator light, convertible top control unit, immobilizer control unit receiver (2006-2009), XM receiver, immobilizer system indicator |
| 26 | 15 | Keyless door lock control unit, trunk lid opening solenoid |
| 27 | 10 | Daytime running light control unit |
| 28 | – | – |
| R1 | Direction/Hazard Indicator | |
| R2 | 2000-2001 (hardtop): Rear window defogger | |
| R3 | Initial cut | |
| R4 | Tail lights | |
Engine compartment
- Fuse box №1
- Electronic Power Steering (EPS)
- 2002-2005: Intermittent wiper relay
- Fuse box №2
- 2006-2009: Intermittent wiper relay
- ABS/VSA (2006-2009)) Modulator-control unit
- 2000-2005: Air Pump Relay
Engine compartment fuse box №1 Diagram
The main fuse box under the hood is located on the passenger side next to the battery. To open it, press the two tabs as shown.
| Number | Amps [A] | Description |
|---|---|---|
| 41 | 100 | Battery, power distribution |
| 42 | 40 | Ignition switch (BAT) |
| 43 | 20 | Right headlight (high beam/walklight), daytime running light control unit |
| 44 | – | – |
| 45 | 20 | Left headlight (high beam/high beam passing beam), daytime running light control unit, indicator unit, high beam indicator, high beam cut-off relay |
| 46 | 15 | Data link connector (DLC), PGM-FI main relay (2000-2005), crankshaft position sensor (CKP) (2006-2009), crankshaft position sensor (CMP) (2006-2009), engine control module (ECM (2006- 2009)) |
| 47 | 10 | 2000-2001: ABS modulator control module, brake lights, cruise control, engine control module (ECM), high-mount brake light, horn |
| 15 | 2002-2009: ABS controller-modulator (2002-2005), brake lights, cruise control (2002-2005), engine control module (ECM), high-mount brake light, horn | |
| 48 | 20 | 2000-2005: ABS modulator control unit |
| 30 | 2006-2009: VSA modulator-control unit | |
| 49 | 10 | Emergency Lights |
| 50 | 30 | 2000-2005: ABS modulator control unit |
| 30 | 2006-2009: VSA modulator-control unit | |
| 51 | 40 | Fuses: № 17, 18 |
| 52 | 20 | Right convertible top engine |
| 53 | 20 | 2008-2009: Accessory power socket relay |
| 54 | 30 | Fuses: № 22, 23, 24, 25, 26, 27 |
| 55 | 20 | Convertible top left engine |
| 56 | 40 | Fan motor |
| 57 | 20 | Radiator fan motor |
| 58 | 20 | A/C condenser fan motor, A/C compressor clutch |
| 59 | 20 | Fuses: № 14, 15, 16 |
| – | – | Backup fuse |
| R1 | Headlight right | |
| R2 | Left headlight | |
| R3 | Horn | |
| R4 | A/C condenser fan | |
| R5 | Fan motor | |
| R6 | Radiator Fan | |
| R7 | A/C compressor clutch | |
Engine compartment fuse box №2 Diagram
The additional fuse box under the hood is located on the driver’s side, near the brake fluid reservoir. To open it, press the tabs on each side and remove the cover.
| Number | Amps [A] | Description |
|---|---|---|
| 32 | 60 | 2000-2005: Electric current sensor for air pump |
| 33 | 70 | Electronic Power Steering (EPS) |
| 34 | 20 | Rear window defogger |
| 35 | – | – |
| 36 | – | – |
