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

Components on diagram:
  • Battery
  • Alternator
  • Powertrain Control Module
  • Engine Control Module
  • ELD Unit
  • 2003 Honda Civic HX 1.7 L4 GAS Wiring Diagram2003 Honda Civic HX 1.7 L4 GAS Wiring Diagram

    Components on diagram:
  • Secondary Heated Oxygen Sensor
  • Powertrain Control Module
  • Engine Control Module
  • Third Heated Oxygen Sensor
  • 2003 Honda Civic LX 1.7 L4 GAS Wiring Diagram2003 Honda Civic LX 1.7 L4 GAS Wiring Diagram

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

    Components on diagram:
  • Radiator Fan Relay
  • Condenser Fan Relay
  • A/C Condenser Fan Motor
  • Radiator Fan Switch
  • 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:
  • Oil Pressure Switch
  • Cruise Control Unit
  • Powertrain Control Module
  • Engine Control Module
  • Cruise Control Actuator
  • 2003 Honda Civic HX 1.7 L4 GAS Wiring Diagram2003 Honda Civic HX 1.7 L4 GAS Wiring Diagram

    Components on diagram:
  • Brake Fluid Level Switch
  • Powertrain Control Module
  • Engine Control Module
  • Beeper
  • Immobilizer Control Unit
  • 2003 Honda Civic LX 1.7 L4 GAS Wiring Diagram2003 Honda Civic LX 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 GX 1.7 L4 CNG Wiring Diagram2003 Honda Civic GX 1.7 L4 CNG Wiring Diagram

    Components on diagram:
  • Accessory Socket Relay
  • 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 Range Switch
  • LH Backup Light
  • RH Backup Light
  • Backup Light Switch
  • Gauge Assembly
  • 2003 Honda Civic Hybrid 1.3 L4 ELECTRIC/GAS Wiring Diagram2003 Honda Civic Hybrid 1.3 L4 ELECTRIC/GAS Wiring Diagram

    Components on diagram:
  • Driver Door Switch
  • RH Rear Door Switch
  • Security LED
  • 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 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 1998 Honda Civic Tail Light, Passenger Side1998 Honda Civic Tail Light, Passenger Side, Bulbs included; DOT and SAE approved; A high quality, OE replacement tail light assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $58.68

    Click here to view more details about 2007 Honda Accord Sedan Door Handle Covers2007 Honda Accord Sedan Door Handle Covers, Door Handle Covers; 4 Door; Without Passenger Side Keyhole, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $36.50

    Click here to view more details1995 Honda Civic VX L4, 1.5 L, 1493 CC Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    Ad Hoc

    Click here to view more details2007 Honda Civic Used Tail Finish Panel, Coupe, pocket license, except DX/DX-G/LX, (paint to match), Very Good.

    Source: Used Auto Parts Store

    $73.00

    Click here to view more details2003 Honda Civic Used Ignition Switch W/Key, Sdn (4 Dr), DX & LX, Automatic Transmission, Very Good.

    Source: Used Auto Parts Store

    $100.00
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