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
Airflow Meter
AIRFLOW METER VOLTAGE TEST (1)
| Application | Terminal No. | Voltage | ||
|---|---|---|---|---|
| Axxess, Pathfinder, Pickup, Stanza & 240SX | 16 | 1.0-3.0 | ||
| Maxima | 27 | 1.0-2.0 | ||
| Pulsar NX & Sentra | 15 | .5-4.0 | ||
| Van | 31 | 1.6-3.1 | ||
| 300ZX | 27 | .8-1.6 | ||
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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.