Honda S2000 (1999-2009) fuses and relay

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The 2-door roadster Honda S2000 (AP1/AP2) was produced from 1999 to 2009. In this article, you will find fuse box diagrams of Honda S2000 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 and 2009, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

Fuse Layout Honda S2000 1999-2009


Passenger Compartment Fuse Box

Fuse box location

The interior fuse box is underneath the dashboard on the driver’s side. To open it, turn the knob.Honda S2000 (1999-2009)

Fuse box diagram

Honda S2000 (1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009)

Assignment of the fuses in the instrument panel
Ampere RatingDescription
110Supplemental Restraint System (SRS) Unit
215Supplemental Restraint System (SRS) Unit, Fuel Pump, Immobilizer Control Unit-Receiver (2006-2009), PGM-FI Main Relay (2000-2005), Fuel Tank Unit, Passenger's Airbag Cut-Off Indicator, Passenger's Weight Sensor Unit
37.5Clutch Interlock Switch, Engine Start Switch, Starter Cut Relay, Starter Solenoid
4152000-2005: Ignition Coils
57.5Back-up Lights, Charging System Light (2004-2005), Daytime Running Light (DRL) Indicator, Electronic Power Steering (EPS) Control Unit, Gauge Assembly, Keyless Door Lock Control Unit, Convertible Top Control Unit
615Air Control Solenoid Valve, Alternator, Charging System Indicator (2000-2003), Cruise Control Unit, Cruise Control Main Switch, Electrical Load Detector (ELD) Unit, Evaporative Emission Control (EVAP) Bypass Solenoid Valve, EVAP Canister Vent Shut Valve, EVAP Canister Purge Valve, Primary and Secondary Heated Oxygen Sensors, Rear Window Defogger Change Relay (2002-2005)
77.5Turn Signal/Hazard Relay
820Power Window Master Switch, Windshield Wiper Motor, Intermittent Wiper Relay
910Accessory Power Socket, Audio Unit, Radio Remote Switch, Convertible Top Switch Light
107.52006-2009: Air Fuel Ratio (A/F) Sensor Relay (LAF)
117.52006-2009: Electronic Throttle Control System (ETCS) Control Relay
1215Windshield Washer Motor, Convertible Top Switch
137.5Intermittent Wiper Driving Circuit (in the Gauge Assembly)
14152006-2009: Throttle Actuator Control Module
15202006-2009: Air Fuel Ratio (A/F) Sensor No.1, Evaporative Emission Control (EVAP) Canister Vent Shut Valve
16152006-2009: Ignition Coils, Ignition Coil Relay
1720Driver's Window Motor
1820Passenger's Window Motor, Convertible Top Control Unit
197.5ABS Modulator-Control Unit (2000-2005), Daytime Running Lights Control Unit, Power Mirror Actuator, Rear Window Defogger Relay
207.5A/C Compressor Clutch Relay, Blower Motor Relay, A/C Condenser Fan Relay, Heater Control Panel, Radiator Fan Relay, Recirculation Control Motor
217.5Engine Control Module (ECM), PGM-FI Main Relay (2000-2005), Tire Pressure Monitoring System (TPMS) Control Unit
2215Audio Unit
2310Taillight Relay, Audio Unit Light, Cruise Control Main Switch Light, Front Parking Lights, Gauge Lights, Hazard Warning Switch Light, Heater Control Panel Lights, Keyless Door Lock Control Unit, License Plate Light, Option Connector, Convertible Top Switch Lights, Radio Remote Switch Lights, Rear Side Marker Lights, Taillights, Rear Window Defogger Switch Light, Passenger's Airbag Cutoff Indicator Illumination Light (2006-2009), VSA Off Switch Light
247.5Ceiling/Spotlights, Trunk Light
257.5Engine Control Module (ECM), Gauge Assembly, Heater Control Panel, Immobilizer Indicator Light, Convertible Top Control Unit, Immobilizer Control Unitreceiver (2006-2009), XM Receiver, Immobilizer System Indicator
2615Keyless Door Lock Control Unit, Trunk Lid Opener Solenoid
2710Daytime Running Lights Control Unit
28-Not Used
Relay
R1Turn Signal / Hazard
R22000-2001 (Hardtop):  Rear Window Defogger
R3Starter Cut
R4Taillight

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Other Relays

Honda S2000 (1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009)

Relay
R12006-2009: Electronic Throttle Control System (ETCS) Control Relay
R2High Beam  Cut Relay
R32000-2001: Intermittent Wiper Relay
2002-2009: Rear Window Defogger Relay
R4Ignition Coil Relay
R5Air Fuel Ratio (A/F) Sensor Relay
R62000-2005: PGM-FI Main Relay
R72006-2009: PGM-FI Main Relay №1
R82006-2009: PGM-FI Main Relay №2
R9Ignition (IG2) Relay
R10Accessory Power Socket Relay
R112002-2009: Rear Window Defogger Change Relay

Engine Compartment Fuse Boxes

Fuse box location

The primary under-hood fuse box is located on the passenger’s side, next to the battery. The secondary fuse box is on the driver’s side, near the brake fluid reservoir.Honda S2000 (1999-2009)

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Fuse box diagram (Primary)

Honda S2000 (1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009)

Assignment of the fuses in the primary engine compartment fuse box
Ampere RatingDescription
41100Battery, Power Distribution
4240Ignition Switch (BAT)
4320Right Headlight (High/Low Beam), Daytime Running Lights Control Unit
44-Not Used
4520Left Headlight (High/Low Beam), Daytime Running Lights Control Unit, Gauge Assembly, High Beam Indicator, High Beam Cut Relay
4615Data 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))
4710 or 152000-2001 (10A): ABS Modulator-Control Unit, Brake Lights, Cruise Control Unit, Engine Control Module (ECM), High Mount Brake Light, Horn;

2002-2009 (15A): ABS Modulator-Control Unit (2002-2005), Brake Lights, Cruise Control Unit (2002-2005), Engine Control Module (ECM), High Mount Brake Light, Horn
4820 or 302000-2005 (20A): ABS Modulator-Control Unit;

2006-2009 (30A): VSA Modulator-Control Unit
4910Hazard Warning Lights
50302000-2005: ABS Modulator-Control Unit;

2006-2009: VSA Modulator-Control Unit
5140Fuses: 17, 18
5220Right Convertible Top Motor
53202008-2009: Accessory Power Socket Relay
5430Fuses: 22, 23, 24, 25, 26, 27
5520Left Convertible Top Motor
5640Blower Motor
5720Radiator Fan Motor
5820A/C Condenser Fan Motor, A/C Compressor Clutch
5920Fuses: 14, 15, 16
SSpare Fuse
Relay
R1Right Headlight
R2Left Headlight
R3Horn
R4A/C Condenser Fan
R5Blower Motor
R6Radiator Fan
R7A/C Compressor Clutch

Fuse box diagram (Secondary)

Assignment of the fuses in the secondary engine compartment fuse box
Ampere RatingDescription
32602000-2005:  Air Pump Electric Current Sensor
3370Electronic Power Steering (EPS) Control Unit
3420Rear Window Defogger
35-Not Used
36-Not Used