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.
1997 Lexus LX 450FACTORY OEM SERVICE PROCEDURE
Airflow Meter
NOTE:
Airflow meter may be referred to as Mass Airflow (MAF) meter.
For terminal identification and testing, see SYSTEM/COMPONENT TESTS article.
AIRFLOW METER RESISTANCE SPECIFICATIONS
| Temperature | Ohms |
|---|---|
| -4°F (20°C) | 10,000-20,000 |
| 32°F (0°C) | 4000-7000 |
| 68°F (20°C) | 2000-3000 |
| 104°F (40°C) | 900-1300 |
| 140°F (60°C) | 400-700 |
| 176°F (80°C) | 200-400 |
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.