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.
2012 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE
Function Of Control Valve
| Name | Function |
|---|---|
| Torque converter regulator valve | Optimizes the supply pressure for the torque converter depending on driving conditions. |
| Pressure regulator valve | Optimizes the discharge pressure from the oil pump depending on driving conditions. |
| TCC control valve |
|
| TCC solenoid valve | Controls the TCC control valve or select control valve. |
| Shift control valve | Controls flow-in/out of line pressure from the primary pulley depending on the stroke difference between the stepping motor and the primary pulley. |
| Secondary valve | Controls the line pressure from the secondary pulley depending on operating conditions. |
| Clutch regulator valve | Adjusts the clutch operating pressure depending on operating conditions. |
| Secondary pressure solenoid valve | Controls the secondary valve. |
| Line pressure solenoid valve | Controls the line pressure control valve. |
| Step motor | Controls the pulley ratio. |
| Manual valve | Transmits the clutch operating pressure to each circuit in accordance with the selected position. |
| Select control valve | Engages forward clutch, reverse brake smoothly depending on select operation. |
| Select switch valve | Switches torque converter clutch solenoid valve control pressure use to torque converter clutch control valve or select control valve. |
| Lock-up select solenoid valve | Controls the select switch valve. |
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.
