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.
MAINSHAFT Speed Sensor
2004 Acura 3.5RLSECTION MAINSHAFT Speed Sensor
- Mainshaft speed sensor is located on transaxle. See Figure . Disconnect harness connector for mainshaft shaft speed sensor from transaxle sub-harness.
- Measure resistance between terminals of mainshaft speed sensor harness connector. Replace mainshaft speed sensor if resistance is not 400-600 ohms at 70°F (20°C).
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.