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.
2019 Nissan-Datsun Versa Note SFACTORY OEM SERVICE PROCEDURE
Engine Control System (Introduction And Basic Inspection)
- Precaution
- Preparation
- System Description
- Component Parts
- Component Parts Location
- Component Description
- Accelerator Pedal Position Sensor
- Air Fuel Ratio Sensor 1
- Air Fuel Ratio Sensor 1 Heater
- Camshaft Position Sensor
- Clutch Pedal Position Switch
- Cooling Fan
- Crankshaft Position Sensor
- 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 Solenoid Valve
- Fuel Injector
- Fuel Pump
- Heated Oxygen Sensor 2
- Heated Oxygen Sensor 2 Heater
- Ignition Coil With Power Transistor
- Intake Air Temperature Sensor
- Intake Valve Timing Control Solenoid Valve
- Knock Sensor
- Battery Current Sensor (With Battery Temperature Sensor)
- Malfunction Indicator Lamp (MIL)
- Mass Air Flow Sensor
- Oil Pressure Warning Lamp
- Refrigerant Pressure Sensor
- Stop Lamp Switch ASCD Brake Switch
- Throttle Control Motor
- Throttle Control Motor Relay
- Throttle Position Sensor
- ASCD Steering Switch
- Structure And Operation
- System
- Engine Control
- MULTIPORT Fuel Injection System
- Electric Ignition System
- Air Conditioning Cut Control
- Can Communication
- Cooling Fan Control
- Evaporative Emission System
- Intake Valve Timing Control
- Exhaust Valve Timing Control
- Engine Protection Control At Low Engine Oil Pressure
- Fuel Filler Cap Warning System
- Automatic Speed Control Device (ASCD)
- Operation
- On Board Diagnostic (OBD) System
- Diagnosis System (ECM)
- Component Parts
- Ecu Diagnosis Information
- Wiring Diagram
- Basic Inspection
- Diagnosis And Repair Workflow
- 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
- Basic Inspection
- Fuel Pressure Check
- How To Set SRT Code
- How To Erase Permanent DTC
Factory Service Tools
Use the Manual With the Right Hardware
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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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