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.
2003 Nissan-Datsun Sentra SE-R, AutomaticFACTORY OEM SERVICE PROCEDURE
Throttle Position Sensor
THROTTLE POSITION SENSOR VOLTAGE
| Throttle Position | Specification (Volts) | |
|---|---|---|
| Altima, Maxima, Murano, Pathfinder, Sentra & 350Z | ||
| Throttle Released (Sensor 1) | Greater Than 0.36 | |
| Throttle Depressed (Sensor 1) | Less Than 4.75 | |
| Throttle Released (Sensor 2) | Less Than 4.75 | |
| Throttle Depressed (Sensor 2) | Greater Than 0.36 | |
| Frontier & Xterra | ||
| Throttle Fully Closed | 0.2-0.8 | |
| Throttle Partially Open | 0.2-4.5 | |
| Throttle Fully Open | 3.5-4.5 | |
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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