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.
Circuit Description
Input speed sensor is a permanent magnet with a coil of wire wound around it. Sensor mounts in transaxle case facing drive sprocket on input shaft. An air gap of .003-.834" (.076-21.2 mm) between sensor and drive sprocket must be maintained to transmit an accurate AC voltage. Sensor voltage varies from .5 volt at 100 RPM to more than 100 volts at 6000 RPM. This DTC monitors ISS circuit. Circuit may be functional but not in normal operating range. DTC indicates stuck, erratic, or intermittent values, indicating poor system performance. ISS has a resistance value of 893-1428 ohms. DTC P0716 will set if PCM detects an unrealistically large change in data from ISS.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.