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 Acura ILXFACTORY OEM SERVICE PROCEDURE
Repair and Diagnosis
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Quick Lookups
- Accessories & Equipment
- Anti-Theft Systems
- Keyless Access (Backup Control Unit) - Diagnostics (Except Hybrid)
- Keyless Access (Power Control Unit) - Diagnostics (Except Hybrid)
- Keyless Access Control Unit - Diagnostics (Except Hybrid)
- Keyless Access System - Testing & Troubleshooting (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 Systems - Service Information (Except Hybrid)
- Driving Assistance Warning Systems - Testing & Troubleshooting (Except Hybrid)
- Multipurpose Camera Unit - Diagnostics (Except Hybrid)
- Sight Support / Blind Spot Systems - Service Information (Except Hybrid)
- Sight Support / Blind Spot Systems - Testing & Troubleshooting (Except Hybrid)
- Communication Devices
- 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) - DTC Diagnostics (Except Hybrid)
- Multiplex Integrated Control Unit (MICU) - DTC 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 Systems - Service Information (Except Hybrid)
- Driving Assistance Warning Systems - Testing & Troubleshooting (Except Hybrid)
- Multipurpose Camera Unit - Diagnostics (Except Hybrid)
- Sight Support / Blind Spot Systems - Service Information (Except Hybrid)
- Sight Support / Blind Spot Systems - Testing & Troubleshooting (Except Hybrid)
- Entertainment Systems
- ACURALINK Control Unit - Diagnostics (Except Hybrid)
- ACURALINK Systems - Testing & Troubleshooting (Except Hybrid)
- Audio System - Symptom Troubleshooting (1 Of 2) (Except Hybrid)
- Audio System - Symptom Troubleshooting (2 Of 2) (Except Hybrid)
- Audio System - Testing & Troubleshooting (Except Hybrid)
- Audio Visual Systems - Service Information (Except Hybrid)
- Audio-Navigation System - Diagnostics (Except Hybrid)
- HANDSFREELINK System - Diagnostics (Except Hybrid)
- HANDSFREELINK System - Testing & Troubleshooting (Except Hybrid)
- Multipurpose Camera Unit - Diagnostics (Except Hybrid)
- Telematics Control System - Diagnostics (Except Hybrid)
- Exterior Lights
- Gauges & Instrument Panels
- Infotainment
- ACURALINK Control Unit - Diagnostics (Except Hybrid)
- ACURALINK Systems - Testing & Troubleshooting (Except Hybrid)
- Audio System - Symptom Troubleshooting (1 Of 2) (Except Hybrid)
- Audio System - Symptom Troubleshooting (2 Of 2) (Except Hybrid)
- Audio System - Testing & Troubleshooting (Except Hybrid)
- Audio Visual Systems - Service Information (Except Hybrid)
- Audio-Navigation System - Diagnostics (Except Hybrid)
- HANDSFREELINK System - Diagnostics (Except Hybrid)
- HANDSFREELINK System - Testing & Troubleshooting (Except Hybrid)
- Multipurpose Camera Unit - Diagnostics (Except Hybrid)
- Navigation System - Testing & Troubleshooting (Except Hybrid)
- Navigation System - Troubleshooting - Introduction (Except Hybrid)
- Telematics Control System - Diagnostics (Except Hybrid)
- Interior/Exterior Trim
- Interior/Illumination Lights
- Mirrors
- Seats
- Window Motors & Regulators
- Anti-Theft Systems
- Body & Frame
- Door Locks
- Keyless Access (Backup Control Unit) - Diagnostics (Except Hybrid)
- Keyless Access (Power Control Unit) - Diagnostics (Except Hybrid)
- Keyless Access Control Unit - Diagnostics (Except Hybrid)
- Keyless Access System - Testing & Troubleshooting (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 - Inspection & Replacement (Except Hybrid)
- Engine Control System / Engine Mechanical - Service Information (Except Hybrid)
- Engine Control System / Engine Mechanical - Service, Testing And Troubleshooting (Except Hybrid)
- Fuel And Emissions - Service Information (Except Hybrid)
- Fuel And Emissions - Testing & Troubleshooting (Except Hybrid)
- Fuel And Emissions - Troubleshooting (Except Hybrid)
- Fuel And Emissions Service Specifications (Except Hybrid)
- Lubrication System
- Mechanical
- Cylinder Head Assembly - Components Location (Except Hybrid)
- Cylinder Head Assembly - Service Information (Except Hybrid)
- Engine Control System / Engine Mechanical - Inspection & Replacement (Except Hybrid)
- Engine Control System / Engine Mechanical - Service Information (Except Hybrid)
- Engine Control System / Engine Mechanical - Service, Testing And Troubleshooting (Except Hybrid)
- Engine Mount - Service Information (Except Hybrid)
- Intake System / Exhaust System - Components Location (Except Hybrid)
- Starter
- Engine Performance
- Emissions
- Engine Control Systems
- Engine Control System / Engine Mechanical - Inspection & Replacement (Except Hybrid)
- Engine Control System / Engine Mechanical - Service Information (Except Hybrid)
- Engine Control System / Engine Mechanical - Service, Testing And Troubleshooting (Except Hybrid)
- Engine Electrical Service Specifications (Except Hybrid)
- Fuel Delivery
- Engine Control System / Engine Mechanical - Inspection & Replacement (Except Hybrid)
- Engine Control System / Engine Mechanical - Service Information (Except Hybrid)
- Engine Control System / Engine Mechanical - Service, Testing And Troubleshooting (Except Hybrid)
- Fuel And Emissions - Service Information (Except Hybrid)
- Fuel And Emissions - Testing & Troubleshooting (Except Hybrid)
- Fuel And Emissions - Troubleshooting (Except Hybrid)
- Fuel And Emissions Service Specifications (Except Hybrid)
- Ignition System
- Remove, Overhaul & Install
- Specifications
- System
- Engine Control System - Advanced Diagnostics (1 Of 5) (Except Hybrid)
- Engine Control System - Advanced Diagnostics (2 Of 5) (Except Hybrid)
- Engine Control System - Advanced Diagnostics (3 Of 5) (Except Hybrid)
- Engine Control System - Advanced Diagnostics (4 Of 5) (Except Hybrid)
- Engine Control System - Advanced Diagnostics (5 Of 5) (Except Hybrid)
- Engine Control System - DTC Diagnostics (1 Of 9) (Except Hybrid)
- Engine Control System - DTC Diagnostics (2 Of 9) (Except Hybrid)
- Engine Control System - DTC Diagnostics (3 Of 9) (Except Hybrid)
- Engine Control System - DTC Diagnostics (4 Of 9) (Except Hybrid)
- Engine Control System - DTC Diagnostics (5 Of 9) (Except Hybrid)
- Engine Control System - DTC Diagnostics (6 Of 9) (Except Hybrid)
- Engine Control System - DTC Diagnostics (7 Of 9) (Except Hybrid)
- Engine Control System - DTC Diagnostics (8 Of 9) (Except Hybrid)
- Engine Control System - DTC Diagnostics (9 Of 9) (Except Hybrid)
- Testing & Diagnosis
- Engine Control System - Advanced Diagnostics (1 Of 5) (Except Hybrid)
- Engine Control System - Advanced Diagnostics (2 Of 5) (Except Hybrid)
- Engine Control System - Advanced Diagnostics (3 Of 5) (Except Hybrid)
- Engine Control System - Advanced Diagnostics (4 Of 5) (Except Hybrid)
- Engine Control System - Advanced Diagnostics (5 Of 5) (Except Hybrid)
- Engine Control System - DTC Diagnostics (1 Of 9) (Except Hybrid)
- Engine Control System - DTC Diagnostics (2 Of 9) (Except Hybrid)
- Engine Control System - DTC Diagnostics (3 Of 9) (Except Hybrid)
- Engine Control System - DTC Diagnostics (4 Of 9) (Except Hybrid)
- Engine Control System - DTC Diagnostics (5 Of 9) (Except Hybrid)
- Engine Control System - DTC Diagnostics (6 Of 9) (Except Hybrid)
- Engine Control System - DTC Diagnostics (7 Of 9) (Except Hybrid)
- Engine Control System - DTC Diagnostics (8 Of 9) (Except Hybrid)
- Engine Control System - DTC Diagnostics (9 Of 9) (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
- Occupant Detection System - Advanced Diagnostics (Except Hybrid)
- Occupant Detection System - DTC Diagnostics (Except Hybrid)
- Supplemental Restraint System (SRS) - Advanced Diagnostics (Except Hybrid)
- Supplemental Restraint System (SRS) - DTC Diagnostics (1 Of 3) (Except Hybrid)
- Supplemental Restraint System (SRS) - DTC Diagnostics (2 Of 3) (Except Hybrid)
- Supplemental Restraint System (SRS) - DTC Diagnostics (3 Of 3) (Except Hybrid)
- Supplemental Restraint System (SRS) - Service Information (Except Hybrid)
- Supplemental Restraint System (SRS) - Testing & Troubleshooting (Except Hybrid)
- Restraints Control Systems
- Seat Belts
- Air Bag, SRS
- Steering
- Electronic Steering
- Electronic Power Steering (EPS) Or LKAS System - DTC Diagnostics (Except Hybrid)
- Electronic Power Steering (EPS) System - Advanced Diagnostics (Except Hybrid)
- Electronic Power Steering (EPS) System - DTC Diagnostics (Except Hybrid)
- Electronic Power Steering (EPS) System - Service Information (Except Hybrid)
- Electronic Power Steering (EPS) System - Testing & Troubleshooting (Except Hybrid)
- Steering Control Systems
- Electronic Steering
- Suspension
- Transmission
- External Pages
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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