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-DATSUN2003MAXIMA SE, STANDARD, RS6F51AREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - SYSTEM & COMPONENT TESTING
2003 Nissan-Datsun Maxima SE, Standard, RS6F51A
Engine Controls - System & Component Testing
2003 Nissan-Datsun Maxima SE, Standard, RS6F51ASECTION Engine Controls - System & Component Testing
- Introduction
- Air Induction Systems
- Computerized Engine Controls
- Notes
- Engine Control Module
- Power & Ground Circuits (Altima 2.5L)
- Power & Ground Circuits (Altima 3.5L)
- Power & Ground Circuits (Frontier 2.4L & Xterra 2.4L)
- Power & Ground Circuits (Frontier 3.3L & Xterra 3.3L)
- Power & Ground Circuits (Maxima)
- Power & Ground Circuits (Murano)
- Power & Ground Circuits (Pathfinder)
- Power & Ground Circuits (Sentra 1.8L)
- Power & Ground Circuits (Sentra 2.5L)
- Power & Ground Circuits (350Z)
- Emission Systems & Sub-Systems
- Engine Sensors & Switches
- Notes
- Accelerator Pedal Position Sensor
- A/C High Pressure Switch
- Air/Fuel Ratio Sensor (SENTRA 1.8L SULEV Only)
- Automatic Speed Control Indicator
- Brake Switch
- 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
- Throttle Position Sensor
- Vehicle Speed Sensor
- Fuel System
- Notes
- Fuel Delivery
- Relieving Fuel Pressure
- Fuel Pressure
- Fuel Pressure Regulator
- Fuel Pump
- Fuel Pump Relay
- Fuel System Condenser
- Fuel Pump Control System (Altima 2.5L)
- Fuel Pump Control System (Altima 3.5L)
- Fuel Pump Control System (Frontier & Xterra 2.4L)
- Fuel Pump Control System (Frontier & Xterra 3.3L)
- Fuel Pump Control System (Maxima)
- Fuel Pump Control System (Murano)
- Fuel Pump Control System (Pathfinder)
- Fuel Pump Control System (Sentra 1.8L)
- Fuel Pump Control System (Sentra 2.5L)
- Fuel Pump Control System (350Z)
- Fuel Control
- Fuel Injector
- Fuel Injector Circuits (Altima 2.5L & Sentra 2.5L)
- Fuel Injector Circuits (Altima 3.5L)
- Fuel Injector Circuits (Frontier & Xterra)
- Fuel Injector Circuits (Maxima)
- Fuel Injector Circuits (Murano)
- Fuel Injector Circuits (Pathfinder)
- Fuel Injector Circuits (Sentra 1.8L)
- Fuel Injector Circuits (350Z)
- Idle Control System
- Ignition System
- Miscellaneous Controls
- Relays & Solenoids
- 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.