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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 EX 1.7 L4 GAS Wiring Diagram2003 Honda Civic EX 1.7 L4 GAS Wiring Diagram

    Components on diagram:
  • Throttle Position Sensor
  • PGM-FI Main Relay
  • MAP Sensor
  • Engine Coolant Temperature Sensor
  • Powertrain Control Module
  • 2003 Honda Civic GX 1.7 L4 CNG Wiring Diagram2003 Honda Civic GX 1.7 L4 CNG Wiring Diagram

    Components on diagram:
  • High Mount Brake Light
  • Left Brake Light/Taillight
  • Right Brake Light/Taillight
  • Brake Pedal Position Switch
  • 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
  • Hazard Warning Switch
  • Combination Light Switch
  • Multiplex Control Unit
  • 2003 Honda Civic EX 1.7 L4 GAS Wiring Diagram2003 Honda Civic EX 1.7 L4 GAS Wiring Diagram

    Components on diagram:
  • Left Rear Door Switch
  • Trunk Light
  • Right Rear Door Switch
  • Driver Door Switch
  • Multiplex Control Unit
  • 2003 Honda Civic GX 1.7 L4 CNG Wiring Diagram2003 Honda Civic GX 1.7 L4 CNG Wiring Diagram

    Components on diagram:
  • Moonroof Close Relay
  • Moonroof Open Relay
  • Moonroof Motor
  • Moonroof Limit Switch
  • 2003 Honda Civic DX 1.7 L4 GAS Wiring Diagram2003 Honda Civic DX 1.7 L4 GAS Wiring Diagram

    Components on diagram:
  • Transmission Range Switch
  • Shift Lock Solenoid
  • Powertrain Control Module
  • Brake Pedal Position Switch
  • Multiplex Control Unit
  • 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:
  • Gauge Assembly
  • SRS Unit
  • OPDS Unit
  • OPDS Sensor
  • Side Airbag Cut Off Indicator
  • 2003 Honda Civic Hybrid 1.3 L4 ELECTRIC/GAS Wiring Diagram2003 Honda Civic Hybrid 1.3 L4 ELECTRIC/GAS Wiring Diagram

    Components on diagram:
  • Fuel Tank Unit
  • Data Link Connector
  • Parking Brake Switch
  • Engine Control Module
  • PGM FI Main Relay 1
  • 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 2000 Honda Civic Mirror, Driver Side2000 Honda Civic Mirror, Driver Side.

    Source: Auto Body Parts Store

    $32.20

    Click here to view more details about 2000 Honda Civic License Plate Bracket, Front2000 Honda Civic License Plate Bracket, Front, A high quality, OE replacement license plate bracket; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $27.88

    Click here to view more details2011 Honda Civic Sedan 16" x 6.5" Steel Wheel, Steel Wheel; 16 X 6.5; 20 Vent Holes; 5 Lug; 4.5 Inch BP; Does NOT Take Tpms Sensor; Black, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $69.50

    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 details2001 Honda Civic Used A/C Compressor, 1.7, AUTO, FWD (Sanden mfr), Very Good.

    Source: Used Auto Parts Store

    $203.00

    Click here to view more details2006 Honda Civic Used Bumper Bar, Rear, 2DR, Black, SI w/foam, Coupe (2 Dr), Very Good.

    Source: Used Auto Parts Store

    $144.00
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