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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Honda Civic car and truck repair procedures including Honda engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your 2003 Honda Civic automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 2003 Honda Civic

  • 2003 Honda Civic Hybrid 1.3 L4 ELECTRIC/GAS, CC:1339, Fuel Injection
  • 2003 Honda Civic DX 1.7 L4 GAS, CC:1700, Fuel Injection
  • 2003 Honda Civic EX 1.7 L4 GAS, CC:1700, Fuel Injection
  • 2003 Honda Civic HX 1.7 L4 GAS, CC:1700, Fuel Injection
  • 2003 Honda Civic LX 1.7 L4 GAS, CC:1700, Fuel Injection
  • 2003 Honda Civic SI 2.0 L4 GAS, CC:1998, Fuel Injection
  • 2003 Honda Civic GX 1.7 L4 CNG, CC:1700, Fuel Injection

WIRING DIAGRAMS FOR 2003 Honda Civic AUTOMOBILES

OEM drawn wiring diagrams for most 2003 Honda Civic cars and light trucks sold in the U.S.

2003 Honda Civic SI 2.0 L4 GAS Wiring Diagram2003 Honda Civic SI 2.0 L4 GAS Wiring Diagram

Components on diagram:
  • Top Dead Center Sensor
  • Powertrain Control Module
  • Crankshaft Position Sensor
  • VTEC Oil Pressure Switch
  • 2003 Honda Civic SI 2.0 L4 GAS Wiring Diagram2003 Honda Civic SI 2.0 L4 GAS Wiring Diagram

    Components on diagram:
  • Transmission Range Switch
  • Starter Solenoid
  • Battery
  • Ignition Switch
  • Clutch Interlock Switch
  • 2003 Honda Civic HX 1.7 L4 GAS Wiring Diagram2003 Honda Civic HX 1.7 L4 GAS Wiring Diagram

    Components on diagram:
  • Transmission Range Switch
  • Starter Solenoid
  • Starter Cut Relay
  • Ignition Switch
  • Clutch Interlock Switch
  • 2003 Honda Civic SI 2.0 L4 GAS Wiring Diagram2003 Honda Civic SI 2.0 L4 GAS Wiring Diagram

    Components on diagram:
  • SRS Unit
  • 2003 Honda Civic EX 1.7 L4 GAS Wiring Diagram2003 Honda Civic EX 1.7 L4 GAS Wiring Diagram

    Components on diagram:
  • Taillight Relay
  • Headlight Switch
  • Left Front Turn Signal/Side Marker Light
  • Right Front Turn Signal/Side Marker Light
  • Multiplex Control Unit
  • 2003 Honda Civic SI 2.0 L4 GAS Wiring Diagram2003 Honda Civic SI 2.0 L4 GAS Wiring Diagram

    Components on diagram:
  • Flash To Pass Switch
  • Dimmer Switch
  • Fog Light Relay
  • Fog Light Switch Light
  • Combination Light Switch
  • 2003 Honda Civic HX 1.7 L4 GAS Wiring Diagram2003 Honda Civic HX 1.7 L4 GAS Wiring Diagram

    Components on diagram:
  • Moonroof Close Relay
  • Moonroof Open Relay
  • Moonroof Motor
  • Moonroof Limit Switch
  • 2003 Honda Civic Hybrid 1.3 L4 ELECTRIC/GAS Wiring Diagram2003 Honda Civic Hybrid 1.3 L4 ELECTRIC/GAS Wiring Diagram

    Components on diagram:
  • Transmission Control Module
  • Crankshaft Position Sensor
  • Camshaft Position Sensor
  • Engine Control Module
  • MFI Module
  • 2003 Honda Civic Hybrid 1.3 L4 ELECTRIC/GAS Wiring Diagram2003 Honda Civic Hybrid 1.3 L4 ELECTRIC/GAS Wiring Diagram

    Components on diagram:
  • Engine Control Module
  • PGM FI Main Relay
  • Under Dash Fuse Relay Box
  • 2003 Honda Civic Hybrid 1.3 L4 ELECTRIC/GAS Wiring Diagram2003 Honda Civic Hybrid 1.3 L4 ELECTRIC/GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Transmission Control Module
  • Engine Control Module
  • Under Dash Fuse Relay Box
  • CLICK HERE TO GET FULL ACCESS TO 2003 Honda Civic WIRING DIAGRAMS!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details about 1998 Honda Civic Grille Assembly1998 Honda Civic Grille Assembly, With emblem provision, chrome molding, and matte black grille insert; A high quality, OE replacement complete grille and shell assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $24.35

    Click here to view more details1999 Honda Civic Rocker Panel Trim, Rear, Driver Side, A high quality, direct fit OE replacement rocker panel molding; With 1-year limited Martins warranty..

    Source: Auto Body Parts Store

    $21.50

    Click here to view more details about 2010 Honda Accord Coupe Pillar Post Covers2010 Honda Accord Coupe Pillar Post Covers, PILLAR POST COVERS, 2 PIECE SET , , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $30.74

    Click here to view more details1995 Honda Civic SI L4, 1.6 L, 1590 CC Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    Ad Hoc

    Click here to view more details1988 Honda Civic Used Wiper Motor Rear, Station Wagon (5 DR), Very Good.

    Source: Used Auto Parts Store

    $73.00

    Click here to view more details2008 Honda Civic Used Engine Computer, ELEC CONT UNIT (ECU); GASOLINE (BEHIND BATTERY TRAY), 2.0L (DOHC), Without VSA, Very Good.

    Source: Used Auto Parts Store

    $161.00
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