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.
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HOMESERVICE MANUALSHONDA2001CR-V LX, 2.0 RD2, MDLAREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - SYSTEM & COMPONENT TESTING
2001 Honda CR-V LX, 2.0 RD2, MDLA
Engine Controls - System & Component Testing
2001 Honda CR-V LX, 2.0 RD2, MDLASECTION Engine Controls - System & Component Testing
- Introduction
- Service Precautions
- Component Locations
- Air Induction Systems
- Engine Sensors & Switches
- Notes
- A/C Pressure Switch Circuit
- Air/Fuel Ratio Sensor No. 1
- Air/Fuel Ratio Sensor No. 1 Heater
- Air Pump Electric Current Sensor (S2000)
- BARO Sensor
- Crankshaft Position Sensor
- Crankshaft Position/Top Dead Center/Cylinder Position Sensor
- Cylinder Position Sensor
- EGR Flow
- EGR Valve
- Electrical Load Detector
- Engine Coolant Temperature Sensor
- Engine Speed (Rpm) Fluctuation Sensor
- Fuel Tank Pressure Sensor
- Intake Air Temperature Sensor
- Knock Sensor
- Map Sensor
- Master Power Vacuum Sensor (Insight)
- Primary Ho2S-1
- Primary Ho2S-1 Heater
- Primary Ho2S-1 Label Circuit
- Radiator Fan Switch
- Secondary Ho2S-2
- Secondary Ho2S-2 Heater
- Top Dead Center Sensor
- Throttle Position Sensor
- Vehicle Speed Sensor (VSS) Circuit
- Modules, Motors, Relays & Solenoids
- Fuel Systems
- Idle Control Systems
- Notes
- Air Conditioning Signal Circuit
- A/T Gear Position Signal (Prelude)
- Brake Pedal Position Switch Signal
- Clutch Switch Signal Circuit (Insight)
- Electrical Power Steering Circuit (S2000)
- Fast Idle THERMO Valve (Prelude)
- Generator Fr Signal Circuit
- Idle Air Control (IAC) Valve
- Idle Air Control (IAC) Thermal Valve
- Neutral Position Switch Signal Circuit (Insight)
- Power Steering Pressure (PSP) Switch Circuit
- Reverse Position Switch Signal Circuit (Insight)
- Starter Switch Signal
- Ignition Systems
- Emission Systems & Sub-Systems
- Exhaust Gas RECIRCULATION (EGR) Valve
- Fuel Evaporation (EVAP)
- On-Board Refueling Vapor Recovery (ORVR) Fuel Tank Vapor Control Valve Test (Accord)
- On-Board Refueling Vapor Recovery (ORVR) Fuel Tank Vapor Control Valve Test (Civic)
- On-Board Refueling Vapor Recovery (ORVR) Fuel Tank Vapor Control Valve Test (Insight)
- On-Board Refueling Vapor Recovery (ORVR) Fuel Tank Vapor Control Valve Test (Odyssey)
- On-Board Refueling Vapor Recovery (ORVR) Fuel Tank Vapor Control Valve Test (Prelude)
- On-Board Refueling Vapor Recovery (ORVR) Fuel Tank Vapor Control Valve Test (S2000)
- Positive Crankcase Ventilation (PCV)
- Pulsed Secondary Air Injection System
- Miscellaneous Controls
- A/C Compressor Clutch Circuit Test
- Coolant Temperature Gauge Test
- Coolant Temperature Gauge Needle Does Not Move At All - Accord 2.3L
- Coolant Temperature Gauge Needle Does Not Move At All (Accord 3.0L)
- Coolant Temperature Gauge Needle Does Not Move At All (Odyssey)
- Coolant Temperature Gauge Needle Goes Past Hot Mark Of Gauge (Accord 2.3L)
- Coolant Temperature Gauge Needle Goes Past Hot Mark Of Gauge (Accord 3.0L)
- Coolant Temperature Gauge Needle Goes Past Hot Mark Of Gauge (Odyssey)
- S2000
- Cruise Control Communication Circuit Test (A/T)
- Engine Mount Control System
- Generator Control System
- Radiator & Condenser Fan Common Circuit Test
- Thermostat Test
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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.