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.
2014 Nissan-Datsun Sentra SLFACTORY OEM SERVICE PROCEDURE
Engine Control System (Introduction)
- Precaution
- Preparation
- System Description
- Component Parts
- Engine Control System
- ENGINE CONTROL SYSTEM: Component Parts Location
- Accelerator Pedal Position Sensor
- Air Fuel Ratio (A/F) Sensor 1
- ASCD Steering Switch
- Battery Current Sensor (with Battery Temperature Sensor)
- Camshaft Position Sensor (PHASE)
- Clutch Pedal Position Switch
- Crankshaft Position Sensor (POS)
- Cooling Fan
- ECM
- Electric Throttle Control Actuator
- Engine Coolant Temperature Sensor
- Engine Oil Pressure Sensor
- Engine Oil Temperature Sensor
- EVAP Canister Purge Volume Control Solenoid Valve
- EVAP Canister Vent Control Valve
- EVAP Control System Pressure Sensor
- Exhaust Valve Timing Control Position Sensor
- Exhaust Valve Timing Control Solenoid Valve
- Fuel Injector
- Fuel Level Sensor Unit, Fuel Filter and Fuel Pump Assembly
- Heated Oxygen Sensor 2
- Ignition Coil with Power Transistor
- Intake Valve Timing Control Solenoid Valve
- Intake Manifold Runner Control Valve
- Intake Manifold Tuning Valve
- Knock Sensor
- Mass Air Flow Sensor (with Intake Air Temperature Sensor)
- Park/Neutral Position Switch
- Refrigerant Pressure Sensor
- Stop Lamp Switch & Brake Pedal Position Switch
- Transmission Range Switch
- Engine Control System
- Structure And Operation
- System
- Engine Control System
- MULTIPORT Fuel Injection System
- Electric Ignition System
- Intake Valve Timing Control
- Exhaust Valve Timing Control
- Intake Manifold Runner Control
- Intake Manifold Tuning System
- Engine Protection Control At Low Engine Oil Pressure
- Fuel Filler Cap Warning System
- Air Conditioning Cut Control
- Cooling Fan Control
- Starter Motor Drive Control
- Evaporative Emission System
- Automatic Speed Control Device (ASCD)
- Can Communication
- ECO Mode Control
- Sport Mode Control
- Operation
- On Board Diagnostic (OBD) System
- Diagnosis System (ECM)
- Diagnosis Description
- DIAGNOSIS DESCRIPTION: 1st Trip Detection Logic and Two Trip Detection Logic
- DIAGNOSIS DESCRIPTION: DTC and Freeze Frame Data
- DIAGNOSIS DESCRIPTION: Counter System
- DIAGNOSIS DESCRIPTION: Driving Pattern
- DIAGNOSIS DESCRIPTION: System Readiness Test (SRT) Code
- DIAGNOSIS DESCRIPTION: Permanent Diagnostic Trouble Code (Permanent DTC)
- DIAGNOSIS DESCRIPTION: Malfunction Indicator Lamp (MIL)
- On Board Diagnosis Function
- CONSULT Function
- Diagnosis Description
- Component Parts
- Ecu Diagnosis Information
- Wiring Diagram
- Basic Inspection
- Diagnosis And Repair Workflow
- Basic Inspection
- Additional Service When Replacing ECM
- VIN Registration
- Accelerator Pedal Released Position Learning
- Throttle Valve Closed Position Learning
- Idle Air Volume Learning
- Mixture Ratio Self-Learning Value Clear
- Fuel Pressure
- How To Set SRT Code
- How To Erase Permanent DTC
Factory Service Tools
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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.
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