Fuel And Emissions Systems
- Special Tools
- General Troubleshooting Information
- Intermittent Failures
- Opens and Shorts
- How to Use the HDS (Honda Diagnostic System)
- HDS Clear Command
- Scan Tool Clear Command
- DTC Clear
- ECM/PCM Reset
- Crank (CKP) Pattern Clear/Crank (CKP) Pattern Learn
- How to End a Troubleshooting Session (required after any troubleshooting)
- How to Troubleshoot Circuits at the ECM/PCM
- ECM/PCM Updating and Substitution for Testing
- How to Update the ECM/PCM
- How to Substitute the ECM/PCM
- OBD Status
- DTC Troubleshooting Index
- Symptom Troubleshooting Index
- System Description
- Electronic Control System
- Self-Diagnosis
- ECM/PCM Electrical Connections
- 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)
- PCM Inputs and Outputs at Connector D (17P)
- ECM/PCM Inputs and Outputs at Connector E (31P)
- Vacuum Hose Routing
- Vacuum Distribution
- PGM-FI System
- Notes
- Air Conditioning (A/C) Compressor Clutch Relay
- Air Fuel Ratio (A/F) Sensor
- Barometric Pressure (BARO) Sensor
- Camshaft Position (CMP) Sensor B
- Crankshaft Position (CKP) Sensor
- Engine Coolant Temperature (ECT) Sensor
- 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
- Output Shaft (Countershaft) Speed Sensor (M/T model)
- Secondary Heated Oxygen Sensor (Secondary HO2S)
- Throttle Position (TP) Sensor
- VTEC/VTC
- Idle Control System
- Fuel Supply System
- Intake Air System
- Catalytic Converter System
- Positive Crankcase Ventilation (PCV) 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)
- Idle Control System Diagram
- Intake Air System Diagram
- Evaporative Emission (EVAP) Control Diagram
- ECM/PCM Circuit Diagram
- How to Set Readiness Codes