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.
Engine Control System / Engine Mechanical - Service, Testing And Troubleshooting
2020 Honda HR-V LX, FWDSECTION Engine Control System / Engine Mechanical - Service, Testing And Troubleshooting
- Adjustment
- Component Location Index
- How To Information
- Test
- Connector View
- Symptom Troubleshooting Index For Viewer
- After warming up, idle speed is above specifications without load (MIL works OK, no DTCs set) (KA/KC)
- After warming up, idle speed is above specifications without load (MIL works OK, no DTCs set) (KA/KC) (2016 2017 2018 2019 2020)
- After warming up, idle speed is below specifications without load (MIL works OK, no DTCs set) (KA/KC)
- After warming up, idle speed is below specifications without load (MIL works OK, no DTCs set) (KA/KC) (2016 2017 2018 2019 2020)
- Cold fast idle too high (MIL works OK, no DTCs set) (KA/KC)
- Cold fast idle too high (MIL works OK, no DTCs set) (KA/KC) (2016 2017 2018 2019 2020)
- Cold fast idle too low (MIL works OK, no DTCs set) (KA/KC)
- Cold fast idle too low (MIL works OK, no DTCs set) (KA/KC) (2016 2017 2018 2019 2020)
- Difficult to refuel (MIL works OK, no DTCs set) (KA/KC)
- Difficult to refuel (MIL works OK, no DTCs set) (KA/KC) (2016 2017 2018 2019 2020)
- Engine is hard to start (MIL works OK, no DTCs set) (KA/KC)
- Engine is hard to start (MIL works OK, no DTCs set) (KA/KC) (2016 2017 2018 2019 2020)
- Engine stalls (MIL works OK, no DTCs set) (KA/KC)
- Engine stalls (MIL works OK, no DTCs set) (KA/KC) (2016 2017 2018 2019 2020)
- Engine starts but stalls immediately (MIL works OK, no DTCs set, immobilizer indicator stays on or flashes) (KA/KC)
- Engine starts but stalls immediately (MIL works OK, no DTCs set, immobilizer indicator stays on or flashes) (KA/KC) (2016 2017 2018 2019 2020)
- Engine will not start (MIL works OK, no DTCs set) (KA/KC)
- Engine will not start (MIL works OK, no DTCs set) (KA/KC) (2016 2017 2018 2019 2020)
- Engine will not start (MIL works OK, no DTCs set, immobilizer indicator stays on or flashes) (KA/KC)
- Engine will not start (MIL works OK, no DTCs set, immobilizer indicator stays on or flashes) (KA/KC) (2016 2017 2018 2019 2020)
- Engine will not start and HDS does not communicate with the PCM (MIL comes on and stays on, no DTCs set) (KA/KC)
- Engine will not start and HDS does not communicate with the PCM (MIL comes on and stays on, no DTCs set) (KA/KC) (2016 2017 2018 2019 2020)
- HDS does not communicate with the PCM or the vehicle (KA/KC)
- HDS does not communicate with the PCM or the vehicle (KA/KC) (2016 2017 2018 2019 2020)
- Idle speed fluctuates (MIL works OK, no DTCs set) (KA/KC)
- Idle speed fluctuates (MIL works OK, no DTCs set) (KA/KC) (2016 2017 2018 2019 2020)
- Low power (MIL works OK, no DTCs set) (KA/KC)
- Low power (MIL works OK, no DTCs set) (KA/KC) (2016 2017 2018 2019 2020)
- MIL comes on and stays on, or never comes on at all, no DTCs set (KA/KC)
- MIL comes on and stays on, or never comes on at all, no DTCs set (KA/KC) (2016 2017 2018 2019 2020)
- DTC Troubleshooting
- Learning Reset Clear
- Repair Regeneration
- Service Information
- Description & Operation
- Catalytic Converter System Description - Overview (KA/KC)
- EGR System Description - Overview (KA/KC)
- EVAP System Description (KA/KC)
- Electronic Throttle Control System Description
- Intake Air System Description - Intake Manifold Tuning (IMT) Valve System
- PCV System Description - Overview
- PGM-FI System Description - Components (KA/KC)
- PGM-FI System Description - Electronic Control
- PGM-FI System Description - Injection Control
- PGM-FI System Description - OBD
- PGM-FI System Description - On-Board Snapshot
- VTEC System Description (KA/KC)
- General Information
- Engine Configuration
- How to Set Readiness Codes (2018 2019 2020 2021)
- Malfunction Indicator Lamp (MIL) Indication (In relation to Readiness Codes)
- Catalytic Converter Monitor and Readiness Code
- Evaporative Emission (EVAP) Control System Monitor and Readiness Code
- Air Fuel Ratio (A/F) Sensor Monitor and Readiness Code
- Air Fuel Ratio (A/F) Sensor Heater Monitor Readiness Code
- Misfire Monitor and Readiness Code
- Fuel System Monitor and Readiness Code
- Comprehensive Component Monitor and Readiness Code
- EGR Monitor and Readiness Code
- How to Set Readiness Codes (KA/KC) (2016 2017 2018)
- Malfunction Indicator Lamp (MIL) Indication (In relation to Readiness Codes)
- Catalytic Converter Monitor and Readiness Code
- Evaporative Emission (EVAP) Control System Monitor and Readiness Code
- Air Fuel Ratio (A/F) Sensor Monitor and Readiness Code
- Air Fuel Ratio (A/F) Sensor Heater Monitor Readiness Code
- Misfire Monitor and Readiness Code
- Fuel System Monitor and Readiness Code
- Comprehensive Component Monitor and Readiness Code
- EGR Monitor and Readiness Code
- Check
- Inspection
- APP Sensor Signal Inspection
- Block and Piston Inspection
- Breather Line and Suction Line Inspection (2WD: KA/KC)
- Breather Line and Suction Line Inspection (AWD: KA/KC)
- Camshaft Inspection
- Camshaft Timing Inspection
- Catalytic Converter Inspection (KA/KC)
- Connecting Rod and Crankshaft End Play Inspection
- Engine Compression Inspection
- Engine Oil Jet and Bolt Inspection
- Idle Speed Inspection
- PCV Valve Inspection
- Valve Inspection
- Valve Stem-to-Guide Clearance Inspection
- Replacement
- Rewrite
- Removal & Installation Inspection
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.