2004 Honda Civic service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical diagnostics with wiring diagrams
- Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
Trims covered
- Hybrid Sedan 4-Door
- DX Sedan 4-Door
- Si Coupe 2-Door
- Value Package Coupe 2-Door
- EX Sedan 4-Door
- LX Coupe 2-Door
- EX Coupe 2-Door
- DX Coupe 2-Door
- LX Sedan 4-Door
- HX Coupe 2-Door
- Si Hatchback 2-Door
- GX Sedan 4-Door
- Si Sedan 4-Door
- Value Package Sedan 4-Door
- SiR Hatchback 2-Door
Engines covered
- 1.3L 1339CC l4 FULL HYBRID EV-GAS (FHEV) SOHC Naturally Aspirated
- 1.7L 1700CC l4 GAS SOHC Naturally Aspirated
- 2.0L 1998CC 122Cu. In. l4 GAS DOHC Naturally Aspirated
- 1.7L 1700CC l4 CNG SOHC Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
Honda (American Honda Motor Co.) is recalling certain 2003-2006 Acura MDX, 2005-2012 RL, 2003-2007 Honda Accord, 2001-2005 Civic, 2003-2005 Civic Hybrid, 2001-2005 Civic GX NGV, 2002-2006 CR-V, 2003-2
An inflator explosion may result in sharp metal fragments striking the driver or other occupants res
Honda will notify owners, and dealers will replace the passenger frontal airbag inflator, free of ch
Honda (American Honda Motor Co.) is recalling certain 2003 Acura 3.2CL, 2002-2003 3.2TL, 2003-2006 MDX, 2001-2007 Honda Accord, 2001-2005 Civic, 2003-2005 Civic Hybrid, 2001-2005 Civic GX NGV, 2002-20
An inflator explosion may result in sharp metal fragments striking the driver or other occupants res
Honda will notify owners, and dealers will replace the driver frontal air bag inflator, free of char
ON CERTAIN PASSENGER VEHICLES, SOME FRONT SEAT BELT ANCHORS MAY HAVE BEEN INSTALLED WITH AN INCORRECT WASHER, WHICH COULD RESTRICT ANCHOR MOVEMENT. AS A RESULT, THE SEAT BELT MAY BE IMPROPERLY POSITI
AN IMPROPERLY POSITIONED BELT COULD INCREASE THE RISK OF INJURY IN THE EVENT OF A CRASH.
DEALERS WILL INSPECT THE FRONT SEAT BELT ANCHORS FOR RESTRICTED MOVEMENT. IF AN ANCHOR DOES NOT ROT
CERTAIN ANZO COMBINATION HEADLAMP ASSEMBLIES SOLD AS REPLACEMENT LAMPS FOR USE ON CERTAIN PASSENGER VEHICLES. SOME COMBINATION LAMPS ARE NOT EQUIPPED WITH AMBER SIDE REFLECTORS WHICH FAIL TO CONFORM
WITHOUT THE AMBER REFLECTORS, THE VEHICLE WILL BE POORLY ILLUMINATED, POSSIBLY RESULTING IN A VEHICL
ANZO WILL NOTIFY OWNERS AND REPLACE THE HEADLAMPS FREE OF CHARGE. THE RECALL BEGAN MAY 9, 2006. OW
DOPE, INC. IS RECALLING 42,540 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONF
DECREASED LIGHTING VISIBILITY MAY RESULT IN A VEHICLE CRASH.
DOPE, INC. WILL NOTIFY OWNERS AND OFFER A FULL REFUND FOR THE NONCOMPLIANT COMBINATION LAMPS. THE S
Service Bulletin - This bulletin is a notification of a class action settlement relating to airbag inflators. American Honda is offering a Customer Support Program (Warranty Extension) to cover any manufacturing defects in the replacement f
Service Bulletin - This bulletin is a notification of a class action settlement relating to airbag inflators. American Honda is offering a Customer Support Program (Warranty Extension) to cover any manufacturing defects in the replacement d
Service bulletin - Certain Honda vehicles operated in areas known for high absolute humidity and high heat may contain a driver's airbag that, over time, may be affected by exposure to the humidity, which could produce excessive internal pr
Service bulletin - Certain Honda vehicles operated in areas known for high absolute humidity and high heat may contain a driver's airbag that, over time, may be affected by exposure to the humidity, which could produce excessive internal pr
Service bulletin - Certain Honda vehicles operated in areas known for high absolute humidity and high heat may contain a driver's airbag that, over time, may be affected by exposure to the humidity, which could produce excessive internal pr
Service bulletin - Certain Honda vehicles operated in areas known for high absolute humidity may contain a front passengers airbag that, over time, may be affected by exposure to the humidity, which could produce excessive internal pressure
Service bulletin - Certain Honda vehicles operated in areas known for high absolute humidity and high heat may contain a driver's airbag that, over time, may be affected by exposure to the humidity, which could produce excessive internal pr
Service bulletin - Certain Honda vehicles operated in areas known for high absolute humidity and high heat may contain a front passenger's airbag that, over time, may be affected by exposure to the humidity, which could produce excessive in
Showing the 8 most recent of 213 technical service bulletins on file with NHTSA.
ON JULY 12, 2014 MY HUSBAND (DRIVER) AND MYSELF (PASSENGER) WERE INVOLVED IN A HEAD ON CRASH WITH MY 2004 HONDA CIVIC. TRAVELING AT APPROX. 35 MPH WE HIT A PARKED DODGE RAM TRUCK HEAD ON. MY HUSBAND
DT*: THE CONTACT STATED, WHILE DRIVING AT 35 MPH., A POLICE VEHICLE ENTER FROM A SIDE ROAD, CAUSING A COLLISION. THE IMPACT WAS ON THE RIGHT FRONT SIDE OF THE VEHICLE. BOTH FRONT AIR BAGS FAILED TO DE
The air bag failed to deploy during the vehicular collision on Jan.27, 2022 at the intersection in a city in Virginia. The HONDA Civic LX 2004 was hit by another vehicle on the driver side; the air ba
WHEN I STOPED AT A STOP SIGN, MY AIRBAG DEPLOYED, KNOCKING ME UNCONSCIOUS. I PROCEEDED TO HIT A TREE GOING AT AN ACCELERATED SPEED. I WAS AIRLIFTED BY HELICOPTER TO A TRAMA HOSPITAL. I HAD 3 FRACTURED
TAKATA RECALL DURING A JANUARY SNOWFALL AND FREEZE, I WAS TRAVELING IN THE MIDDLE LANE OF THE HIGHWAY AT APPROXIMATELY 50-60 MILES PER HOUR, WITH THE SPEED OF TRAFFIC. A CAR APPROXIMATELY 7-8 CAR
Showing the 5 most serious of 424 complaints filed with NHTSA.
