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.
2007 Honda Fit Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Fuel And Emissions Systems
- Special Tools
- General Troubleshooting Information
- DTC Troubleshooting Index
- Symptom Troubleshooting Index
- System Description
- Electronic Control System
- Vacuum Hose Routing
- Vacuum Distribution
- ECM/PCM Inputs and Outputs at Connector A (31P)
- ECM/PCM Inputs and Outputs at Connector B (24P)
- PCM Inputs and Outputs at Connector C (22P) *2
- PCM Inputs and Outputs at Connector C (22P)
- ECM/PCM Inputs and Outputs at Connector D (17P)
- ECM/PCM Inputs and Outputs at Connector E (31P)
- PGM-FI System
- Notes
- Alternator Control (USA, '08 Canada (M/T) models)
- Air Conditioning (A/C) Compressor Clutch Relay (With A/C model)
- Air Fuel Ratio (A/F) Sensor
- Barometric Pressure (BARO) Sensor
- Camshaft Position (CMP) Sensor
- Crankshaft Position (CKP) Sensor
- Engine Coolant Temperature (ECT) Sensor 1 and 2
- Ignition Timing Control
- Injector Timing and Duration
- Intake Air Temperature (IAT) Sensor
- Knock Sensor
- Malfunction Indicator Lamp (MIL) Indication (In relation to Readiness Codes)
- Manifold Absolute Pressure (MAP) Sensor
- Secondary Heated Oxygen Sensor (Secondary HO2S)
- Vehicle Speed Sensor (VSS) (M/T)
- Electronic Throttle Control System
- Idle Control System
- Fuel Supply System
- Catalytic Converter System
- Positive Crankcase Ventilation (PCV) System
- Exhaust Gas Recirculation (EGR) System
- Evaporative Emission (EVAP) Control System
- Fuel Cap Warning Message
- To make the message go off (With the HDS)
- To make the message go off (Without the HDS)
- Electronic Throttle Control System Diagram
- Exhaust Gas Recirculation (EGR) System Diagram
- Evaporative Emission (EVAP) Control Diagram
- How to Set Readiness Codes
- 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
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:
- • 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.
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