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.
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HOMESERVICE MANUALSACURA20043.5RLREPAIR AND DIAGNOSISENGINE MECHANICALELECTRIC COOLING FANSCOMPONENT TESTSRADIATOR FAN CONTROL SENSOR
2004 Acura 3.5RL
Radiator Fan Control Sensor
2004 Acura 3.5RLSECTION Radiator Fan Control Sensor
CAUTION:
Do not let thermometer touch the bottom of the hot container.
- Remove sensor from radiator. Suspend sensor and thermometer in a container of water. See Fig 1 . Heat water while monitoring temperature.
- Measure sensor resistance between terminals "A" and "B" according to RADIATOR CONTROL FAN SENSOR RESISTANCE SPECIFICATIONS . See Fig 1 . If continuity is not as specified, replace sensor.
NOTE:
Clean sensor after testing.
RADIATOR FAN CONTROL SENSOR RESISTANCE SPECIFICATIONS
| Temperature - °F (°C) | Ohms |
|---|---|
| 183 (84) | 1047-1255 |
| 194 (90) | 872-1024 |
RENDER: 1.0x
NO RELATED
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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.