2003 Honda Civic Wiring Diagrams (ONLINE REPAIR MANUALS)

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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 GX 1.7 L4 CNG Wiring Diagram2003 Honda Civic GX 1.7 L4 CNG Wiring Diagram

Components on diagram:
  • Primary Heated Oxygen Sensor
  • Secondary Heated Oxygen Sensor
  • Throttle Position Sensor
  • Top Dead Center Sensor
  • Manifold Absolute Pressure Sensor
  • 2003 Honda Civic DX 1.7 L4 GAS Wiring Diagram2003 Honda Civic DX 1.7 L4 GAS Wiring Diagram

    Components on diagram:
  • Top Dead Center Sensor
  • Powertrain Control Module
  • Crankshaft Position Sensor
  • VTEC Oil Pressure Switch
  • 2003 Honda Civic GX 1.7 L4 CNG Wiring Diagram2003 Honda Civic GX 1.7 L4 CNG Wiring Diagram

    Components on diagram:
  • Taillight Relay
  • Hazard Warning Switch
  • License Plate Light
  • Heater Control Panel
  • Gauge Assembly
  • 2003 Honda Civic DX 1.7 L4 GAS Wiring Diagram2003 Honda Civic DX 1.7 L4 GAS Wiring Diagram

    Components on diagram:
  • PGM-FI Main Relay
  • Powertrain Control Module
  • Engine Control Module
  • 2003 Honda Civic HX 1.7 L4 GAS Wiring Diagram2003 Honda Civic HX 1.7 L4 GAS Wiring Diagram

    Components on diagram:
  • SRS Unit
  • 2003 Honda Civic SI 2.0 L4 GAS Wiring Diagram2003 Honda Civic SI 2.0 L4 GAS Wiring Diagram

    Components on diagram:
  • Taillight Relay
  • Headlight Switch
  • Hazard Warning Switch
  • Combination Light Switch
  • Multiplex Control Unit
  • 2003 Honda Civic DX 1.7 L4 GAS Wiring Diagram2003 Honda Civic DX 1.7 L4 GAS Wiring Diagram

    Components on diagram:
  • Right Rear Speaker
  • Left Rear Speaker
  • Antenna Module
  • Left Tweeter
  • Right Tweeter
  • 2003 Honda Civic GX 1.7 L4 CNG Wiring Diagram2003 Honda Civic GX 1.7 L4 CNG Wiring Diagram

    Components on diagram:
  • Right Rear Speaker
  • Left Rear Speaker
  • Window Antenna
  • CD Changer
  • Audio 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:
  • Trunk Latch Switch
  • Driver Door Lock Switch
  • Driver Door Lock Knob Switch
  • 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 details2007 Honda Civic Grille Assembly, With emblem provision; A high quality, OE replacement complete grille assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $67.43

    Click here to view more details about 1998 Honda Civic Oxygen Sensor, Front1998 Honda Civic Oxygen Sensor, Front, 16.75 in. L; Terminated; A high quality, direct fit OE replacement oxygen sensor; Improves car's engine response and gas mileage; Effectively lowers emissions upon replacing its tired old oxygen sensor; Exceeds OE specifications and test requirements; OE part number 36531P8AA01..

    Source: Auto Body Parts Store

    $47.45

    Click here to view more details about 2011 Honda CRV Door Handle Covers2011 Honda CRV 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 details1976 Honda Civic Cvcc L4, 1.5 L, 1487 CC Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

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    Click here to view more details2006 Honda Civic Used A/C Compressor, 1.3, AUTO, FWD Sdn (4 Dr), 1.3L (Hybrid), Very Good.

    Source: Used Auto Parts Store

    $143.00

    Click here to view more details2006 Honda Civic Used Rear Lower Control Arm, Driver Side, 1.8, AUTO, FWD L, TRAILING ARMS; 1.8L, L., Very Good.

    Source: Used Auto Parts Store

    $139.00
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