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.
1990 Nissan-Datsun Sentra BaseFACTORY OEM SERVICE PROCEDURE
Throttle Position Sensor
THROTTLE POSITION SENSOR VOLTAGE TEST (1)
| Application | Terminal No. | Volts | ||
|---|---|---|---|---|
| Axxess, Stanza & 240SX | 20 | .4-4.0 | ||
| Maxima | 38 | .5-4.0 | ||
| Pathfinder & Pickup | 20 | .5-4.0 | ||
| Pulsar NX & Sentra | 19 | .4-4.0 | ||
| Van | 19 | .5-4.0 | ||
| 300ZX | 38 | .4-4.0 | ||
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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.