2012 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
- Base Sedan 4-Door
- Si Coupe 2-Door
- HF Sedan 4-Door
- EX Sedan 4-Door
- LX Coupe 2-Door
- EX Coupe 2-Door
- DX Coupe 2-Door
- LX Sedan 4-Door
- EX-L Coupe 2-Door
- Hybrid-L Sedan 4-Door
- Si HFP Coupe 2-Door
- GX Sedan 4-Door
- EX-L Sedan 4-Door
- Si Sedan 4-Door
Engines covered
- 1.5L 1497CC l4 FULL HYBRID EV-GAS (FHEV) SOHC Naturally Aspirated
- 1.8L 1799CC l4 GAS SOHC Naturally Aspirated
- 2.4L 2354CC 144Cu. In. l4 GAS DOHC Naturally Aspirated
- 1.8L 1799CC 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 IS RECALLING CERTAIN MODEL YEAR 2012 CIVIC 2-DOOR AND 4-DOOR VEHICLES MANUFACTURED FROM APRIL 21, 2011, THROUGH MAY 2, 2011. THERE IS A POSSIBILITY THAT AN O-RING, WHICH SEALS A CONNECTION IN T
FUEL LEAKAGE, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE.
DEALERS WILL REPLACE THE FUEL FEED LINE ASSEMBLY FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MAY 27,
HONDA IS RECALLING CERTAIN MODEL YEAR 2012 HONDA CIVIC VEHICLES. DURING ASSEMBLY, THE PROCESS REQUIRED TO SEAT THE DRIVERS SIDE DRIVESHAFT AND SET THE RETAINING CLIP WAS NOT COMPLETED. AS A RESULT,
IF THIS OCCURS, THE VEHICLE WILL HAVE A LOSS OF DRIVE POWER AND MAY ROLL AWAY IF THE PARKING BRAKE H
Honda will notify owners, and dealers will inspect the driver's side driveshaft and install a new dr
2012 Civic Front Passenger's Air bag Inflator Collection. American Honda is conducting a study of front passenger's airbag inflators. This collection involves a small number of front passenger airbag inflators from specific locations. Once
Owner Notification Letter - Our records indicate that a EMISSIONS RECALL has not been completed on this vehicle (Vehicle Identification Number XXXXXXXXXXXXXXXXX). Under certain circumstances, your vehicle's powertrain control module (PCM) m
Service bulletin - This bulletin has been cancelled because the collection is now complete.
"SERVICE BULLETIN - THE FUEL TANK IN ALL HONDA NATURAL GAS VEHICLES MUST BE INSPECTED FOR DETERIORATION OR DAMAGE EVERY 3 YEARS OR 36,000 MILES, WHICHEVER COMES FIRST. THIS IS A REQUIREMENT OF HONDA AND THE FEDERAL GOVERNMENT. IN ADDITION,
"DEALER MESSAGE - TODAY, APRIL 21, 2017, AMERICAN HONDA MOTOR, CO., INC. IS NOTIFYING ALL DEALERS OF A VOLUNTARY EMISSIONS RECALL FOR CERTAIN MODEL YEAR 2012 HONDA CIVIC PZEV VEHICLES TO ADDRESS THE POSSIBILITY OF NON-METHANE ORGANIC GAS (N
SERVICE BULLETIN - DUE TO AN IMPROPER PCM CALIBRATION, UNDER CERTAIN CONDITIONS AFTER STARTING THE ENGINE THE PCM CANNOT PROPERLY ADJUST THE AIR-FUEL RATIO. AS A RESULT, VEHICLE EMISSIONS MAY EXCEED APPLICABLE STANDARDS.
"DEALER MESSAGE - THIS IS TO INFORM YOU THAT HONDA SERVICE BULLETIN 06-015, NATURAL GAS FUEL TANK AND FUEL LINE INSPECTION, HAS BEEN REVISED TO INCLUDE INSTRUCTIONS FOR ORDERING THE CNG FUEL TANK INSPECTION LABELS. THESE LABELS CAN BE ORDER
"DEALER MESSAGE - THIS IS TO INFORM YOU THAT HONDA SERVICE BULLETIN 06-015, NATURAL GAS FUEL TANK AND FUEL LINE INSPECTION, HAS BEEN REVISED TO INCLUDE INSTRUCTIONS FOR ORDERING THE CNG FUEL TANK INSPECTION LABELS. THESE LABELS CAN BE ORDER
Showing the 8 most recent of 52 technical service bulletins on file with NHTSA.
I WAS DRIVING A 2012 HONDA CIVIC WHEN THE CAR IN FRONT OF ME SLAMMED ON THEIR BRAKES AND CAME TO A COMPLETE STOP DUE TO SOMETHING IN THE ROAD. I SLAMMED ON MY BRAKES AND TRIED TO AVOID THE CAR IN FRON
I WAS DRIVING A 2012 HONDA CIVIC WHEN THE CAR IN FRONT OF ME SLAMMED ON THEIR BRAKES AND CAME TO A COMPLETE STOP DUE TO SOMETHING IN THE ROAD. I SLAMMED ON MY BRAKES AND TRIED TO AVOID THE CAR IN FRON
I WAS DRIVING A 2012 HONDA CIVIC WHEN THE CAR IN FRONT OF ME SLAMMED ON THEIR BRAKES AND CAME TO A COMPLETE STOP DUE TO SOMETHING IN THE ROAD. I SLAMMED ON MY BRAKES AND TRIED TO AVOID THE CAR IN FRON
TL* THE CONTACT CALLED ON BEHALF OF HER MOM WHO OWNED A 2012 HONDA CIVIC. THE CONTACT STATED THAT WHILE DRIVING AT 50 MPH, THE VEHICLE WAS INVOLVED IN A CHAIN REACTION ACCIDENT. THE CONTACT STATED THA
TL* THE CONTACT CALLED ON BEHALF OF HER MOM WHO OWNED A 2012 HONDA CIVIC. THE CONTACT STATED THAT WHILE DRIVING AT 50 MPH, THE VEHICLE WAS INVOLVED IN A CHAIN REACTION ACCIDENT. THE CONTACT STATED THA
Showing the 5 most serious of 618 complaints filed with NHTSA.
