Diagrams of fuse and relay boxes – Honda S2000

Applies to vehicles manufactured in the years:

1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009.

Passenger compartment

1. Fuse box
2. Engine Control Module (ECM)
3. 2006-2009: Electronic throttle control system (ETCS) control relay
4. High beam cut-off relay
5. 2000-2001: Wiper intermittent relay
   2002-2009: Rear window defogger relay
6. Keyless door lock control unit
7. 2000-2005: Cruise control
8. 2006-2009: Throttle actuator control module

 

1. Ignition coil relay
2. Air Fuel Ratio (A / F) Sensor Relay
3. 2000-2005: PGM-FI Main Relay
4. 2006-2009: PGM-FI main relay No. 1
5. 2006-2009: PGM-FI main relay No. 2
6. Daytime running lights control unit
7. Slave control unit for daytime running lamps
8. Replacement upper control unit
9. Audio unit
10. Supplemental Restraint System (SRS) unit
11. Ignition relay (IG2)
12. Accessory power socket relay

 

1. Main power window switch
2. 2002-2009: Rear window defogger change relay

Diagram of the fuse box in the passenger compartment

The internal fuse box is located under the dashboard on the driver’s side. To open it, turn the knob.

 

Number	Amperes [A]	Description
1	10	Supplemental Restraint System (SRS) unit
2	15	Secondary Restraint System (SRS) Unit, Fuel Pump, Immobilizer Control Unit-Receiver (2006-2009), PGM-FI Main Relay (2000-2005), Fuel Tank Unit, Passenger Airbag Cutout Indicator, Passenger Mass Sensor Unit
3	7.5	Clutch lockout switch, engine start switch, starter cutout relay, starter solenoid
4	15	2000-2005: Ignition coils
5	7.5	Reversing lamps, charging system lamp (2004-2005), daytime running light (DRL) indicator, electronic power steering (EPS) control unit, indicator 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 Main Switch, Electric Load Sensing (ELD) Assembly, Evaporative Emission Control Bypass (EVAP) Solenoid Valve, EVAP Canister Shutoff Valve, EVAP Canister Purge Valve, Heated Primary and Secondary Oxygen Sensors, Rear Window Defogger Change Relay (2002-2005)
7	7.5	Danger indicator / relay
8	20	Window switch, windshield wiper motor, wiper intermittent relay
9	10	Accessory power jack, audio module, radio remote switch, convertible top light switch
10	7.5	2006-2009: Air fuel ratio (A / F) sensor relay (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 (on indicator assembly)
14	15	2006-2009: Throttle actuator control module
15	20	2006-2009: Air to fuel (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 upper control unit
19	7.5	ABS Modulator-Controller (2000-2005), Daytime Running Lamps Control Unit, Power Mirror Actuator, Rear Window Defogger Relay
20	7.5	A / C compressor clutch relay, Blower motor relay, A / C condenser fan 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 Lamp Relay, Audio Module Light, Cruise Control Master Switch Light, Front Park Lamp, Indicator Lights, Hazard Warning Switch Light, Heater Control Panel Light, Keyless Door Lock Control Unit, License Plate Light, Option Connector, Convertible Roof Switch Lights, Remote Control radio light switches, rear side marker lights, taillights, rear defogger switch light, passenger airbag cut-off indicator light (2006-2009), VSA switch light
24	7.5	Ceiling / spotlights, luggage compartment lighting
25	7.5	Engine Control Module (ECM), Gauge Assembly, Heater Control Panel, Immobilizer Indicator Lamp, Convertible Roof Control Unit, Immobilizer Control Unit Receiver (2006-2009), XM Receiver, Immobilizer System Indicator
26	15	Keyless door lock control unit, boot lid release solenoid
27	10	Daytime running lights control unit
28	–	–
Relay
R1	Direction indicator / hazard
R2	2000-2001 (hardtop): Rear window defogger
R3	Starter cut
R4	Rear lights

Engine compartment

1. Fuse box №1
2. Electronic Power Steering (EPS)
3. 2002-2005: Wiper relay intermittent
4. Fuse box №2
5. 2006-2009: Wiper relay intermittent
6. ABS / VSA (2006-2009)) Modulator-control unit
7. 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	Amperes [A]	Description
41	100	Battery, power distribution
42	40	Ignition switch (BAT)
43	20	Right headlight (high / low beam), daytime running light control unit
44	–	–
45	20	Left-hand headlight (high / low beam), daytime running light control unit, gauge unit, high beam indicator, high beam cut-off relay
46	15	Data Link Connector (DLC), PGM-FI Main Relay (2000-2005), Crankshaft Position (CKP) Sensor (2006-2009), Camshaft Position (CMP) Sensor (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
	thirty	2006-2009: Modulator-VSA control unit
49	10	Emergency lights
50	thirty	2000-2005: ABS modulator-control unit
	thirty	2006-2009: Modulator-VSA control unit
51	40	Fuses: № 17, 18
52	20	Right convertible top engine
53	20	2008-2009: Accessory power receptacle relay
54	thirty	Fuses: № 22, 23, 24, 25, 26, 27
55	20	Left upper engine convertible
56	40	Blower motor
57	20	Radiator fan motor
58	20	A / C condenser fan motor, A / C compressor clutch
59	20	Fuses: № 14, 15, 16
•	•	Spare fuse
Relay
R1	Right headlight
R2	Left headlight
R3	Horn
R4	A / C condenser fan
R5	Blower motor
R6	Radiator fan
R7	Air conditioning compressor clutch

 

Engine compartment fuse box №2 Diagram

An 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	Amperes [A]	Description
32	60	2000-2005: Air pump electric current sensor
33	70	Electronic Power Steering (EPS)
34	20	Rear window defogger
35	–	–
36	–	–