Wiring diagrams for Honda S2000 AP1 (1999-2003)

Manual a/c circuit

Anti-lock brake circuits

Anti-theft circuit Immobilizer circuit

Computer data lines

Cooling fan circuit

Cruise control circuit

Defogger circuit

Electronic power steering circuit

Wiring diagram engine performance 2.0ls

Back-up lamps circuit Exterior lamps circuit

Ground distribution circuit

Headlight circuit, with drl Headlight circuit, without drl

Horn circuit

Instrument cluster circuit

Courtesy lamps circuit Instrument illumination circuit

Power distribution circuit

Power door lock circuit, with anti-theft Power door lock circuit, without anti-theft

Power mirror circuit

Power top/sunroof circuits

Power window circuit

Radio circuits

Charging circuit Starting circuit

Supplemental restraint circuit

Trunk, tailgate, fuel door circuits

Warning system circuits

Wiper/washer circuit

BATTERY IGNITION CANADA ANTI-LOCK BRAKES SYSTEM DIM CONTROL BATTERY INPUT GROUND DASH LIGHTS DASH LIGHTS BATTERY IGNITION GROUND SECURITY IND IGNITION KEY IN CEILING LIGHTS LIGHT FLASHER HORN CTRL HORN SYSTEM IGNITION COIL 1 IGNITION COIL 1, IGNITION COIL 2, IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 4 LOCK OFF

A/C CONDENSER FAN MOTOR AIR PUMP MOTOR CRUISE CONTROL ACTUATOR CRUISE CONTROL, ENGINE CONTROLS, ANTI-LOCK BRAKES SYSTEMS DRIVER'S WINDOW MOTOR ENGINE CONTROLS EPS MOTOR HOT IN ON W/O ENGINE CRANKING HOT IN ON WITH ENGINE NOT CRANKING LEFT SIDE ENGINE BLOCK MOTOR+ MOTOR- PASSENGER'S DOOR LOCK ACTUATOR PASSENGER'S WINDOW MOTOR RADIATOR FAN MOTOR RIGHT SIDE ENGINE BLOCK STARTER MOTOR WINDSHIELD WASHER MOTOR WINDSHIELD WIPER MOTOR

8 15 1 DATA LINK CONNECTOR ACCESSORY POWER SOCKET DATA LINK CONNECTOR HIGH MOUNT BRAKE LIGHT ACCESSORY POWER SOCKET REAR WINDOW DEFOGGER SUB-HARNESS CONNECTOR

ABS MODULATOR CONTROL UNIT ABS MODULATOR/ CONTROL UNIT HEATER CONTROL PANEL AUDIO UNIT AUDIO UNIT CEILING LIGHT/ SPOTLIGHT AUDIO UNIT REMOTE SWITCH AUDIO UNIT REMOTE SWITCH AUDIO UNIT AUDIO UNIT REMOTE SWITCH PASSENGER'S WINDOW SWITCH CONVERTIBLE TOP CONTROL UNIT CRUISE CONTROL UNIT DRL CONTROL UNIT DRL CONTROL UNIT INSTRUMENT CLUSTER SYSTEM DRL CONTROL UNIT REAR WINDOW DEFOGGER SWITCH DRL UNIT ELD UNIT ELECTRICAL LOAD DETECTOR UNIT EPS CONTROL UNIT FUEL GAUGE SENDING UNIT FUEL TANK UNIT FUEL TANK UNIT FUEL PUMP IMMOBILIZER RECEIVER UNIT KEYLESS DOOR LOCK CONTROL UNIT KEYLESS DOOR LOCK CONTROL UNIT HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM POWER WINDOW CONTROL UNIT POWER WINDOW MASTER SWITCH CONVERTIBLE TOP CONTROL UNIT SRS UNIT

AUXILIARY UNDER- HOOD FUSE BOX FUSE 32 FUSE 1 FUSE 2 FUSE 3 FUSE 4 FUSE 5 FUSE 5 FUSE 6 FUSE 6 FUSE 7 FUSE 8 FUSE 9 FUSE 12 FUSE 13 FUSE 17 FUSE 18 FUSE 19 FUSE 20 FUSE 21 FUSE 22 FUSE 22 FUSE 24 FUSE 23 FUSE 24 FUSE 25 FUSE 26 FUSE 27 FUSE 32 FUSE 33 FUSE 34 FUSE 41 FUSE 42 FUSE 43 FUSE 45 FUSE 46 FUSE 46 4 25 2 25 FUSE 47 FUSE 48 FUSE 49 FUSE 50 FUSE 50 FUSE 48 FUSE 51 FUSE 52 FUSE 55 FUSE 52 FUSE 55 FUSE 54 FUSE 56 FUSE 57 FUSE 58 GND FUSE 25 GND IACV

LEFT HEADLIGHT LEFT HEADLIGHT LOW BEAM RIGHT HEADLIGHT RIGHT HEADLIGHT LOW BEAM

HEATER CONTROL PANEL

ABS INDICATOR CIRCUIT ABS INDICATOR LIGHT BRAKE INDICATOR LIGHT BRAKE SYSTEM INDICATOR LIGHT CHARGING SYSTEM INDICATOR LIGHT CRUISE CONTROL INDICATOR LIGHT DOOR INDICATOR DOOR INDICATOR LIGHT DRL INDICATOR LIGHT EPS INDICATOR LIGHT HIGH BEAM INDICATOR LIGHT IMMOBILIZER INDICATOR LIGHT INDICATOR CTRL IGNITION MES CONN INPUT DATA AIR BAG CTRL LEFT TURN INDICATOR LIGHT LEFT TURN SIGNAL INDICATOR LIGHT LOW FUEL INDICATOR LIGHT LOW OIL PRESSURE INDICATOR LIGHT MAINTENANCE REQUIRED INDICATOR LIGHT ON INDICATOR RIGHT TURN INDICATOR LIGHT RIGHT TURN SIGNAL INDICATOR LIGHT SRS INDICATOR CIRCUIT SRS INDICATOR LIGHT TRUNK INDICATOR LIGHT

CEILING LIGHT/ SPOT LIGHTS DASH LIGHTS BRIGHTNESS CONTROLLER EDGE LIGHTS EXTERIOR LIGHTS GAUGE LIGHTS INTERIOR LIGHTS INTERIOR LIGHTS SYSTEM WIPER/WASHER SYSTEM

FUEL PUMP CTRL START IN IMMOB IND CTRL IMMOB CODE IN IMMOB ENABLE

A/C COMPRESSOR CLUTCH RELAY A/C CONDENSER FAN RELAY ACCESSORY POWER SOCKET RELAY AIR PUMP RELAY BLOWER MOTOR RELAY CLUTCH INTERLOCK SWITCH UNDERDASH FUSE/RELAY BOX HEADLIGHT RELAY 1 HEADLIGHT RELAY 2 HORN RELAY INTERMITTENT WIPER RELAY MAIN UNDER- HOOD FUSE/ RELAY BOX MAIN UNDER-HOOD FUSE/RELAY BOX MAIN UNDERHOOD FUSE/RELAY BOX PGM-FI MAIN RELAY PGM-FI RELAY RADIATOR FAN RELAY REAR WINDOW DEFOGGER RELAY RECIRC- ULATION CONTROL MOTOR A/C COMPRESSOR RELAY BLOWER MOTOR RELAY RELAY CTRL STARTER CUT RELAY TAILLIGHT RELAY TURN SIGNAL/ HAZARD RELAY TURN/ SIGNAL HAZARD RELAY BLOWER MOTOR RELAY UNDER- DASH FUSE/ RELAY BOX UNDER-DASH FUSE/RELAY BOX UNDERDASH FUSE/RELAY BOX UNDERDASH FUSE/RELAY BOX FUSE 25

AIR PUMP ELECTRICAL CURRENT SENSOR STARTER SOLENOID CKF SENSOR SHIELD CKP SENSOR KNOCK SENSOR SHIELD PRIMARY LEFT FRONT WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR PRIMARY HEATED OXYGEN SENSOR RIGHT FRONT WHEEL SPEED SENSOR RIGHT REAR WHEEL SPEED SENSOR SECONDARY HEATED OXYGEN SENSOR SENSOR GND SENSOR OUT TDC 1 SENSOR SHIELD TDC 2 SENSOR SHIELD VEHICLE SPEED SENSOR

DRIVER'S DOOR SPEAKER PASSENGER'S DOOR SPEAKER

BACK-UP LIGHT SWITCH BRAKE FLUID LEVEL SWITCH BRAKE SWITCH CHANNEL SWITCH CLUTCH INTERLOCK SWITCH CLUTCH SWITCH COMBINATION LIGHT SWITCH COMBINATION SWITCH CONVERTIBLE TOP SWITCH CONVERTIBLE TOP SWITCH WIPER/ WASHER SWITCH CRUISE CONTROL MAIN SWITCH CRUISE CONTROL MAIN SWITCH LIGHT CRUISE CONTROL SET/ RESUME SWITCH DEFOGGER SWITCH, TIMER CIRCUIT DIMMER SWITCH DIMMER SWITCH LO HI DISARM SWITCH DOOR OPEN IN TRUNK LATCH IN HOOD SWITCH IN DISARM SW IN COMM UNLOCK CTRL COMM DRIVER'S DOOR KEY CYLINDER SWITCH DRIVER'S DOOR KEY CYLINDER SWITCH POWER WINDOW MASTER SWITCH DRIVER'S DOOR SWITCH DRIVER'S DOOR SWITCH PASSENGER'S DOOR SWITCH DRIVER'S SEAT BELT SWITCH DRIVER'S SEAT BELT SWITCH TRUNK LATCH DRIVERS WINDOW SWITCH ENGINE CRUISE CONTROL MAIN SWITCH FLASH TO PASS SWITCH GAUGE ASSEMBLY CRUISE CONTROL MAIN SWITCH HAZARD WARNING SWITCH HEAD LIGHT SWITCH HEADLIGHT SWITCH HORN SWITCH IGNITION KEY SWITCH IGNITION SWITCH LATCH SWITCH LATCH SWITCH TRUNK OPENER SOLENOID MAIN SWITCH MIRROR SELECTOR SWITCH MODE SWITCH ODO/TRIP SWITCH MPH/KM/H SWITCH PARKING BRAKE SWITCH PASSENGER WINDOW SWITCH PASSENGER'S DOOR SWITCH PASSENGER'S DOOR SWITCH DRIVER'S DOOR SWITCH PASSENGER'S WINDOW SWITCH UP DOWN PASSENGERS WINDOW SWITCH POWER MIRROR INTERNAL SWITCH POSITIONS POWER MIRROR SWITCH POWER WINDOW MASTER SWITCH REAR WINDOW DEFOGGER SWITCH REAR WINDOW DEFOGGER SWITCH LIGHT RESUME/ ACCEL SWITCH SET/DECEL SWITCH SWITCH 1 SWITCH 1 SWITCH 2 SWITCH 2 SWITCH 3 TRUNK LID OPENER SWITCH TURN SIGNAL SWITCH VOLUME DN SWITCH VOLUME UP SWITCH VTEC OIL PRESSURE SWITCH WIPER/WASHER SWITCH

AIR CONTROL SOLENOID VALVE EVAP BYPASS SOLENOID VALVE EVAP CANISTER PURGE VALVE EVAP CANISTER VENT SHUT VALVE STARTER SOLENOID TRUNK LID OPENER SOLENOID TRUNK OPENER SOLENOID

BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAIDED WIRE BRAIDED WIRE BRAIDED WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE BRN/YEL WIRE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE PNK IMOLMP IMOEN WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/ORG WIRE RED/WHT WIRE RED/YEL WIRE RUN WIRE VSP PNK WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 AIR BAG CTRL 1 4 6 WIN DN OUT WIN UP OUT PASS UP OR DN OUT 14 6 13 DN CNTRL IN WIN DN OUT WIN UP OUT A/C COMPRESSOR A/C ON A/C ON REQUEST A/C SYSTEM AIR BAG CTRL AIR BAG CTRL DATA GROUND GROUND MES CONN INPUT ALT CTRL SIG ELD IN- PUT ALT FR SIG FR AMD-P ANTI-THEFT SYSTEM BRAIDED WIRES CABLE REEL CHARGE SYSTEM IND. LIGHT CHARGING SYSTEM CKPP CKPM VTM COMPRESSOR CLUTCH COMPUTER DATA LINES SYSTEM CONVERTIBLE TOP CONTROL COOLING FANS SYSTEM CRUISE POWER TRANSISTOR DETECT CIRCUIT DN AUTO DN UP DRIVER'S AIR BAG INFLATOR DRIVER'S DOOR LATCH DRIVER'S WINDOW DOWN CONTROL OUTPUT DRIVING CIRCUIT ECS IAT ECT TPS ELECTRONIC POWER STEERING SYSTEM EPS GEAR BOX FAN CTRL FRESH OUT RECIRC OUT FUEL INJECTORS GAUGE ASSEMBLY GND 1 GND 2 GND 2 NEP GND 1 PVF SCS HEAD OFF HEADLIGHTS SYSTEM HIGH BEAM HIGH MOUNT BRAKE LIGHT HOLD IN PULL IN HORNS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES HOT IN ON HOT IN HOT IN ACC OR ON HOT IN ON HOT IN ON OR START HOT IN W/ ENG CRANKING IAC VAVLE ICM ICM IGNITION COILS IGNITION INPUT INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM K LINE LCD DISPLAY LEFT BACK-UP LIGHT LEFT FRONT PARKING LIGHT LEFT FRONT TURN SIGNAL LIGHT LEFT POWER MIRROR LEFT REAR SIDE MARKER LIGHT LICENSE PLATE LIGHT LEFT REAR TURN SIGNAL LIGHT LEFT REAR TURN SIGNAL LIGHT LEFT REAR SIDE MARKER LIGHT LEFT RIGHT LEFT SIDE TURN SIGNAL LIGHT LEFT TAILLIGHT/ BRAKE LIGHT LICENSE PLATE LIGHT LO HI LO INT LOAD OUTPUT LOW BEAM M-COOL M-DEF M-HOT M-VENT MIL NEP FANC K-LINE MIST MIST MODE 1 MODE 2 MODE 3 MODE 4 MODE 4 OUTPUT MODE 3 OUTPUT ILLUM CANCEL SIG MTRTW SAVS MUTE INPUT NOISE CONDENSER OFF ON OFF ON OFF OFF ON ON DOOR DOOR OFF PARK OPTIONAL HARD TOP CONNECTED SIGNAL PARK BRAKE PASSENGER'S AIR BAG INFLATOR PG +B POWER DISTRIBUTION SYSTEM POWER TOPS, INSTRUMENT CLUSTER PWR INPUT PWR INPUT GROUND REAR WINDOW DEFOGGER REF VOLTAGE REMOTE MUTE CIRCUIT RIGHT BACK-UP LIGHT RIGHT FRONT PARKING LIGHT RIGHT FRONT TURN SIGNAL LIGHT RIGHT FRONT TURN SIGNAL LIGHT RIGHT SIDE TURN SIGNAL LIGHT RIGHT LEFT RIGHT POWER MIRROR RIGHT REAR SIDE MARKER LIGHT RIGHT REAR TURN SIGNAL LIGHT RIGHT REAR TURN SIGNAL LIGHT RIGHT REAR SIDE MARKER LIGHT RIGHT SIDE TURN SIGNAL LIGHT RIGHT TAILLIGHT/ BRAKE LIGHT S-COM SEAT BELT REMINDER LIGHT SECURITY LED SGND UP SHORT CONTACT STARTING/ CHARGING SYSTEM STEERING WHEEL) STS IMOCD PSPSW ACS APR PTANK EL SUPPLEMENTAL RESTRAINTS SYSTEM THERMAL PROTECTOR TRUNK LATCH TRUNK LID LATCH TRUNK LIGHT TRUNK OPEN CTRL TRUNK RELEASE SYSTEM TRUNK SYSTEM UP DOWN UP/ DOWN LEFT/ RIGHT VEHICLE SPEED IN VEHICLE SPEED SIGNAL OUT VOLTAGE FEED VSSOUT SCS WARNING SYSTEM WIPER/ WASHER DRIVING CIRCUIT WIPER/WASHER SYSTEM WLP PS-SIG DLC