Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Honda CR-V EX, FWDFACTORY OEM SERVICE PROCEDURE
Repair and Diagnosis
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Quick Lookups
- Accessories & Equipment
- Anti-Theft Systems
- HANDSFREELINK System - Troubleshooting - Introduction (Except Hybrid)
- Immobilizer-Keyless Entry Control Unit - Diagnostics (Except Hybrid)
- Keyless Access Backup Control Unit - Diagnostics (Except Hybrid)
- Keyless Access Control Unit - Diagnostics (Except Hybrid)
- Keyless Access Power Control Unit - Diagnostics (Except Hybrid)
- Security System / Keyless Entry System - Service Information (Except Hybrid)
- Security System / Keyless Entry System - Testing & Troubleshooting (Except Hybrid)
- Collision/Avoidance
- Blind Spot Information System - Diagnostics (Except Hybrid)
- Driving Assistance Warning System - Service Information (Except Hybrid)
- Driving Assistance Warning System - Testing & Troubleshooting (Except Hybrid)
- LANEWATCH System - Service Information (Except Hybrid)
- LANEWATCH System - Testing & Troubleshooting (Except Hybrid)
- Parking Or Back-Up System - Diagnostics (Except Hybrid)
- Communication Devices
- Body Control Module - Diagnostics (Except Hybrid)
- Can Gateway - Advanced Diagnostics (Except Hybrid)
- Can Gateway - DTC Diagnostics (Except Hybrid)
- Integrated Control Systems - Service Information (Except Hybrid)
- Integrated Control Systems - Testing & Troubleshooting (Except Hybrid)
- Multiplex Integrated Control Unit (Door) - Diagnostics (Except Hybrid)
- Network Communication - Service Information (Except Hybrid)
- Network Communication - Testing & Troubleshooting (Except Hybrid)
- Cruise Control Systems
- Drivers Assistance Systems - ADAS
- Blind Spot Information System - Diagnostics (Except Hybrid)
- Driving Assistance Warning System - Service Information (Except Hybrid)
- Driving Assistance Warning System - Testing & Troubleshooting (Except Hybrid)
- LANEWATCH System - Service Information (Except Hybrid)
- LANEWATCH System - Testing & Troubleshooting (Except Hybrid)
- Parking Or Back-Up System - Diagnostics (Except Hybrid)
- Entertainment Systems
- Audio / Visual Systems - Service Information (Except Hybrid)
- Audio / Visual Systems - Troubleshooting (Except Hybrid)
- Audio System - Testing & Troubleshooting (Except Hybrid)
- Audio-Navigation System - Diagnostics (Except Hybrid)
- HANDSFREELINK System - Testing & Troubleshooting (Except Hybrid)
- Multipurpose Camera UNITTROUBLESHOOTING (Except Hybrid)
- Exterior Lights
- Gauges & Instrument Panels
- Horns
- Infotainment
- Audio / Visual Systems - Service Information (Except Hybrid)
- Audio / Visual Systems - Troubleshooting (Except Hybrid)
- Audio System - Testing & Troubleshooting (Except Hybrid)
- Audio-Navigation System - Diagnostics (Except Hybrid)
- HANDSFREELINK System - Testing & Troubleshooting (Except Hybrid)
- Multipurpose Camera UNITTROUBLESHOOTING (Except Hybrid)
- Navigation System - Testing & Troubleshooting (Except Hybrid)
- Interior/Exterior Trim
- Interior/Illumination Lights
- Mirrors
- Seats
- Window Motors & Regulators
- Wiper/Washer Systems
- Anti-Theft Systems
- Body & Frame
- Door Locks
- HANDSFREELINK System - Troubleshooting - Introduction (Except Hybrid)
- Immobilizer-Keyless Entry Control Unit - Diagnostics (Except Hybrid)
- Keyless Access Backup Control Unit - Diagnostics (Except Hybrid)
- Keyless Access Control Unit - Diagnostics (Except Hybrid)
- Keyless Access Power Control Unit - Diagnostics (Except Hybrid)
- Security System / Keyless Entry System - Service Information (Except Hybrid)
- Security System / Keyless Entry System - Testing & Troubleshooting (Except Hybrid)
- Exterior Body Panels
- Exterior/Interior Trim
- Frames, Subframes & Crossmembers
- Mirrors
- Seats
- Sun Roof/T-Top/Convertible Top
- Windows
- Door Locks
- Brakes
- Drivelines & Axles
- Electrical
- Engine Mechanical
- Cooling System (Mechanical)
- Exhaust
- Fuel System
- Engine Control System / Engine Mechanical - Service Information (Except Hybrid)
- Engine Control System / Engine Mechanical - Testing & Troubleshooting (Except Hybrid)
- Fuel And Emissions - Service Information (Except Hybrid)
- Fuel And Emissions - Service Specifications (Except Hybrid)
- Fuel And Emissions - Testing & Troubleshooting (Except Hybrid)
- Lubrication System
- Mechanical
- Cylinder Head Assembly - Inspection (Except Hybrid)
- Cylinder Head Assembly - Testing & Troubleshooting (Except Hybrid)
- Engine Control System / Engine Mechanical - Service Information (Except Hybrid)
- Engine Control System / Engine Mechanical - Testing & Troubleshooting (Except Hybrid)
- Engine Mechanical Service Specifications (Except Hybrid)
- Engine Mount - Installation (Except Hybrid)
- Engine Mount - Service Information (Except Hybrid)
- Starter
- Engine Performance
- Emissions
- Engine Control Systems
- Fuel Delivery
- Engine Control System / Engine Mechanical - Service Information (Except Hybrid)
- Engine Control System / Engine Mechanical - Testing & Troubleshooting (Except Hybrid)
- Fuel And Emissions - Service Information (Except Hybrid)
- Fuel And Emissions - Service Specifications (Except Hybrid)
- Fuel And Emissions - Testing & Troubleshooting (Except Hybrid)
- Ignition System
- Remove, Overhaul & Install
- Specifications
- System
- Engine Control System - Advanced Diagnostics (P0010 - P0451) (Except Hybrid)
- Engine Control System - Advanced Diagnostics (P0452 - P16F3) (Except Hybrid)
- Engine Control System - Advanced Diagnostics (P16F3 - U129E) (Except Hybrid)
- Engine Control System - DTC Diagnostics (B24BA - U0301) (Except Hybrid)
- Engine Control System - DTC Diagnostics (P0010 - P0141) (Except Hybrid)
- Engine Control System - DTC Diagnostics (P0171 - P0328) (Except Hybrid)
- Engine Control System - DTC Diagnostics (P0328 - P061B) (Except Hybrid)
- Engine Control System - DTC Diagnostics (P062B - P16E8) (Except Hybrid)
- Engine Control System - DTC Diagnostics (P16E8 - P24BA) (Except Hybrid)
- Testing & Diagnosis
- Engine Control System - Advanced Diagnostics (P0010 - P0451) (Except Hybrid)
- Engine Control System - Advanced Diagnostics (P0452 - P16F3) (Except Hybrid)
- Engine Control System - Advanced Diagnostics (P16F3 - U129E) (Except Hybrid)
- Engine Control System - DTC Diagnostics (B24BA - U0301) (Except Hybrid)
- Engine Control System - DTC Diagnostics (P0010 - P0141) (Except Hybrid)
- Engine Control System - DTC Diagnostics (P0171 - P0328) (Except Hybrid)
- Engine Control System - DTC Diagnostics (P0328 - P061B) (Except Hybrid)
- Engine Control System - DTC Diagnostics (P062B - P16E8) (Except Hybrid)
- Engine Control System - DTC Diagnostics (P16E8 - P24BA) (Except Hybrid)
- Tune-Up
- General Information
- Abbreviations
- Basic Trouble Shooting
- Brakes
- Check Lists
- Driveline/Axles
- DTC Index (Except Hybrid)
- Electrical
- Engine
- Engine Performance
- Electrostatic Discharge Warning - General Information
- Engine Performance Diagnostic Routine Outline - General Information
- Engine Performance Safety Precautions
- Map - Engine Performance & Maintenance
- Parasitic Load Explanation & Test Procedures - General Information
- State Emission Standards - Diesel
- State Emission Standards - Gas
- Waveforms - Injector Pattern Tutorial - General Information
- Map - Exhaust Systems
- Heating, Ventilation & A/C (HVAC)
- Identification
- Metric Conversions
- OEM General Information
- Maintenance Reminder Light (Reset Procedures)
- Specifications Index
- Steering
- Traction Control Disable Procedures
- Trouble Shooting - Manual Transmission - General Information
- Heating, Ventilation & A/C (HVAC)
- Maintenance
- Restraints
- Air Bag, SRS
- Supplemental Restraint System - Service Information (Except Hybrid)
- Supplemental Restraint System - Testing & Troubleshooting (Except Hybrid)
- Supplemental Restraint System (SRS) - Advanced Diagnostics (Except Hybrid)
- Supplemental Restraint System (SRS) - DTC Diagnostics (Except Hybrid) (B0001 - B0070)
- Supplemental Restraint System (SRS) - DTC Diagnostics (Except Hybrid) (B0070 - U3000)
- Restraints Control Systems
- Seat Belts
- Air Bag, SRS
- Steering
- Suspension
- Transmission
- Automatic Trans
- Continuously Variable Transmission (CVT) - Service Specifications (Except Hybrid)
- Continuously Variable Transmission (CVT) - Advanced Diagnostics (Except Hybrid)
- Continuously Variable Transmission (CVT) - DTC Diagnostics (Except Hybrid)
- Continuously Variable Transmission (CVT) - Service Information (Except Hybrid)
- Continuously Variable Transmission (CVT) - Testing & Troubleshooting (Except Hybrid)
- Automatic Trans
- External Pages
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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