2003 Honda Insight 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
- Base Hatchback 2-Door
Engines covered
- 1.0L 995CC 61Cu. In. l3 FULL HYBRID EV-GAS (FHEV) 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
"Service Bulletin - There are several A/C leak detection tools available. -Refrigerant Gas Leak Detector -Ultrasonic Leak Detector -Leak Dye"
SERVICE NEWS ARTICLE - PLANNING ON USING A LEAK CHECK DYE TO HELP FIND A LEAK? HERES THE CURRENT LIST OF VEHICLES THAT YOU SHOULDNT USE DYE ON.
HONDA: TROUBLESHOOTING OF DIAGNOSTIC TROUBLE CODES (DTC) P1456 AND P1457. DEALERS ARE TO RUN EVAP FUNCTION TEST TO FIND IF THERE IS A LEAK SO THE VEHICLE CAN BE REPAIRED. *KB
HONDA: PRODUCT UPDATE FOR A MANUFACTURING PROBLEM WITH THE ROOF MOLDING MAY ALLOW THE ROOF MOLDING TO COME LOOSE. *KB
HONDA: INFORMATION ON REPLACEMENT AND REMOVAL OF JUNCTION BOARD FROM OLD IMA BATTERY AND NEW BATTERY MOUNTED BEFORE BATTERY IS INSTALLED. MODELS 2003-11 CIVIC HYBRID, 2011-12 CR-Z, 2000-06 INSIGHT, 2010-12 INSIGHT. *PE UPDATED 9/28/12. *PE
HONDA: MIL WILL COME IF 3-WAY CATALYTIC CONVERTER OR NOX ADSORPTIVE 3-WAY CATALYST IS DETERIORATED DUE TO SENSOR INPUTS BEING MISINTERPRET BY SOFTWARE. *PE
HONDA: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. BATTERY SYSTEM LIGHT COMES ON WITH TROUBLE CODES STORED. *RM MODELS 2000-2004 INSIGHT. UPDTED 5/14/13. *PE
HONDA: WARRANTY EXTENSION-VEHICLE WARRANTY MILEAGE. CLASS ACTION LAWSUIT ALLEGING THAT THE ODOMETERS ON CERTAIN 2002-2006 HONDA MODELS WERE OVERSTATING MILEAGE. FEDERAL COURT PROVIDED FINAL APPROVAL OF SETTLEMENT ON 12/29/07. NO MODELS LIST
Showing the 8 most recent of 45 technical service bulletins on file with NHTSA.
MY HYBRID BATTERY IS OVERHEATING WHICH MY HYBRID BATTERY IS 7 YEARS OLD WITH ONLY 31,680 MILES ON IT AND ITS AFFECTING THE INTEGRATED MOTOR ASSIST AND THE MONITOR SCREEN WITH THE CONTROL GAUGES AND MY
MY HYBRID BATTERY IS OVERHEATING WHICH MY HYBRID BATTERY IS 7 YEARS OLD WITH ONLY 31,680 MILES ON IT AND ITS AFFECTING THE INTEGRATED MOTOR ASSIST AND THE MONITOR SCREEN WITH THE CONTROL GAUGES AND MY
MY HYBRID BATTERY IS OVERHEATING WHICH MY HYBRID BATTERY IS 7 YEARS OLD WITH ONLY 31,680 MILES ON IT AND ITS AFFECTING THE INTEGRATED MOTOR ASSIST AND THE MONITOR SCREEN WITH THE CONTROL GAUGES AND MY
VEHICLE WAS STOPPED TO BE PARKED. AUTOMATIC TRANSMISSION WAS IN D(RIVE). KEY WAS TURNED OFF AND REMOVED. OWNER WALKED AWAY FOR APPOINTMENT. WHEN OWNER RETURNED, VEHICLE HAD MOVED. OWNER NOTICED VEHICL
VEHICLE WAS STOPPED TO BE PARKED. AUTOMATIC TRANSMISSION WAS IN D(RIVE). KEY WAS TURNED OFF AND REMOVED. OWNER WALKED AWAY FOR APPOINTMENT. WHEN OWNER RETURNED, VEHICLE HAD MOVED. OWNER NOTICED VEHICL
Showing the 5 most serious of 6 complaints filed with NHTSA.
