Fuel And Emissions Systems
- Special Tools
- General Troubleshooting Information
- Intermittent Failures
- Opens and Shorts
- How to Use the Honda Diagnostic System (HDS) or a Scan Tool
- How to Reset the ECM
- Reset the ECM with an OBD II scan tool or the HDS
- Reset the ECM by removing the fuse
- How to End a Troubleshooting Session (required after any troubleshooting)
- How to Troubleshoot Circuits at the ECM
- How to Substitute the ECM for Testing Purposes
- DTC Troubleshooting Index
- Symptom Troubleshooting Index
- System Description
- Electronic Control System
- ECM Data
- ECM Inputs and Outputs at Connector A (32P)
- ECM Inputs and Outputs at Connector B (25P)
- ECM Inputs and Outputs at Connector C (31P)
- Vacuum Hose Routing
- Vacuum Distribution
- PGM-FI System
- Notes
- Alternator Control
- A/C Switch
- A/C Compressor Clutch Relay
- Barometric Pressure (BARO) Sensor
- Crankshaft Position (CKP) Sensor
- Engine Coolant Temperature (ECT) Sensor
- Intake Air Temperature (IAT) Sensor
- Injector Timing and Duration
- Ignition Timing Control
- Knock Sensor
- Manifold Absolute Pressure (MAP) Sensor
- Primary and Secondary Heated Oxygen Sensors (HO2S)
- Starting Control
- Throttle Position (TP) Sensor
- Camshaft Position (CMP Sensor (Top Dead Center (TDC) Sensors)
- Idle Control System
- Fuel Supply System
- Intake Air System
- Catalytic Converter System
- Positive Crankcase Ventilation (PCV) System
- Evaporative Emission (EVAP) Control System
- Idle Control System Diagram
- Intake Air System Diagram
- Pulsed Secondary Air Injection
- 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
- Enable Criteria
- When using the HDS
- When using a scan tool
- Evaporative Emission (EVAP) Control System Monitor and Readiness Code
- HO2S Monitor and Readiness Code
- HO2S Heater Monitor Readiness Code
- Secondary Air Injection (AIR) System Monitor and Readiness Code
- Misfire Monitor and Readiness Code
- Fuel System Monitor and Readiness Code
- Comprehensive Component Monitor and Readiness Code