Section 85 (Fuel And Emissions Systems)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2014 Honda Ridgeline, 2013 Honda Ridgeline, 2012 Honda Ridgeline, 2011 Honda Ridgeline, and 2010 Honda Ridgeline. However, it is still accessible from the selected car via links, so may be relevant.
- Special Tools
- General Troubleshooting Information
- Intermittent Failures
- Service Information
- Opens and Shorts
- How to Use the HDS (Honda Diagnostic System)
- HDS Clear Command
- Scan Tool Clear Command
- DTC Clear
- PCM Reset
- CKP Pattern Clear/CKP Pattern Learn
- How to End a Troubleshooting Session (required after any troubleshooting)
- How to Troubleshoot Circuits at the PCM Connectors
- Substituting the PCM
- OBD Status
- DTC Troubleshooting Index
- Symptom Troubleshooting Index
- System Description
- Vacuum Hose Routing
- Fuel and Emissions Systems Diagram ('09-11 models)
- Fuel and Emissions Systems Diagram ('12 model)
- Electronic Control System
- PCM Inputs and Outputs at Connector A (□) (49P)
- PCM Inputs and Outputs at Connector B (Δ) (49P)
- PCM Inputs and Outputs at Connector C (◦) (49P)
- PCM Electrical Connections
- PGM-FI System
- Notes
- Alternator Control
- Air Conditioning (A/C) Compressor Clutch Relay
- Air Fuel Ratio (A/F) Sensor
- Barometric Pressure (BARO) Sensor
- Camshaft Position (CMP) Sensor
- Crankshaft Position (CKP) Sensor
- Engine Coolant Temperature (ECT) Sensors 1 and 2
- Ignition Timing Control
- Injector Timing and Duration
- Knock Sensor
- Malfunction Indicator Lamp (MIL) Indication (In relation to Readiness Codes)
- Manifold Absolute Pressure (MAP) Sensor
- Mass Air Flow (MAF) Sensor/Intake Air Temperature (IAT) Sensor
- Output Shaft (Countershaft) Speed Sensor
- Secondary Heated Oxygen Sensor (Secondary HO2S)
- Electronic Throttle Control System
- Electronic Throttle Control System Diagram
- VTEC System
- VTEC System Operation
- Idle Control System
- Fuel Supply System
- Intake Air System
- Catalytic Converter System
- Exhaust Gas Recirculation (EGR) System
- Exhaust Gas Recirculation (EGR) System Diagram
- Positive Crankcase Ventilation (PCV) System
- Evaporative Emission (EVAP) Control System
- Evaporative Emission (EVAP) Control Diagram
- Fuel Cap Warning Message
- How to clear the message with the HDS
- How to clear the message without the HDS
- 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