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 Versa Note S PlusFACTORY OEM SERVICE PROCEDURE
Input/Output Signal Chart
| Sensor | Input signal to ECM | ECM function | Actuator | ||||
|---|---|---|---|---|---|---|---|
| Crankshaft position sensor (POS) Camshaft position sensor (PHASE) |
Engine speed(1) Piston position |
Cooling fan speed request signal | IPDM E/R ↓ Cooling fan relay ↓ Cooling fan motor |
||||
| Engine coolant temperature sensor | Engine coolant temperature | ||||||
| Refrigerant pressure sensor | Refrigerant pressure | ||||||
| Battery | Battery voltage(1) | ||||||
| Combination meter | Vehicle speed(2) | ||||||
| BCM | A/C ON signal(2) Blower fan signal(2) |
||||||
|
|||||||
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.