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 MANUALSNISSAN-DATSUN2001PATHFINDER SE, RWD, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - SYSTEM & COMPONENT TESTING
2001 Nissan-Datsun Pathfinder SE, RWD, Standard
Engine Controls - System & Component Testing
2001 Nissan-Datsun Pathfinder SE, RWD, StandardSECTION Engine Controls - System & Component Testing
- * Please Read This First *
- Introduction
- Air Induction Systems
- Computerized Engine Controls
- Engine Sensors & Switches
- Notes
- A/C High Pressure Switch (Quest)
- Camshaft Position Sensor
- Crankshaft Position Sensor
- EGR Temperature Sensor
- Engine Coolant Temperature Sensor
- Front Heated Oxygen Sensor
- Fuel Level Sensor
- Fuel Tank Temperature Sensor
- Ignition Switch (Start Signal)
- Intake Air Temperature Sensor
- Knock Sensor
- Mass Airflow Sensor
- Power Steering Pressure Switch
- Power Steering Pressure Switch System Test
- Rear Heated Oxygen Sensor
- Refrigerant Pressure Sensor - I30, Maxima & SENTRA
- Throttle Position Sensor
- Vehicle Speed Sensor
- Relays & Solenoids
- Fuel System
- Fuel Delivery
- Relieving Fuel Pressure
- Fuel Pressure
- Fuel Pressure Regulator
- Fuel Pump
- Fuel Pump Control System (Altima)
- Fuel Pump Control System (Frontier & Xterra)
- Fuel Pump Control System (I30 & Maxima)
- Fuel Pump Control System (Pathfinder & QX4)
- Fuel Pump Control System (Quest)
- Fuel Pump Control System (Sentra)
- Fuel Pump Relay
- Fuel Control
- Fuel Delivery
- Idle Control System
- Ignition System
- Emission Systems & Sub-Systems
- Exhaust Gas RECIRCULATION
- Fuel Evaporation (EVAP) Control System
- On Board Refueling Vapor Recovery System
- Refueling Control Valve Test (Altima)
- Refueling Control Valve Test (Frontier, I30, Maxima, Sentra & Xterra)
- Refueling EVAP Vapor Cut Valve Test (Altima)
- Refueling EVAP Vapor Cut Valve Test (Frontier, I30, Maxima, Sentra & Xterra)
- Refueling One-Way Fuel Valve Test (Altima, I30, Maxima & Sentra)
- Strong Fuel Odor From EVAP Canister (Altima, Frontier, I30, Maxima, Sentra & Xterra)
- Cannot Refuel/Strong Fuel Odor From Fuel Filler While Refueling (Altima)
- Cannot Refuel/Strong Fuel Odor From Fuel Filler While Refueling (Frontier, I30, Maxima, Sentra & Xterra)
- Positive Crankcase Ventilation (PCV)
- Miscellaneous Controls
- Component Locations
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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.