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.
Intake Air Temperature Sensor
For testing information, see SELF-DIAGNOSTICS article.
| Application | Volts | ||||||
|---|---|---|---|---|---|---|---|
| Forester, Impreza 2.5L & Legacy A/T | |||||||
| ECM Connector B136 Terminal No. 5 & Ground (2) | |||||||
| Engine On | 2.4-4.8 | ||||||
| At Idle | 0.4-1.8 | ||||||
| Legacy M/T | |||||||
| ECM Connector B136 Terminal No. 5 | |||||||
| Engine On | 3.4-3.6 | ||||||
| At Idle | 1.2-1.8 | ||||||
|
|||||||
| Application | Ohms | ||
|---|---|---|---|
| Forester, Impreza 2.5L & Legacy A/T | 400,000-700,000 | ||
|
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Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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