Cougar/XR7 V8-4.6L VIN W (1997)
Vehicle Speed Sensor: Description and Operation
DESCRIPTION
The vehicle speed sensor, also used for shock damping control, is located on the transmission and is used to establish the vehicle speed.
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The output current to the power steering control valve actuator is a function of the vehicle speed and the steering wheel rotation rate with
vehicle speed as the primary input to the control module.
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When the vehicle speed is 8 km/h (5 mph) or less, the power steering control valve actuator output current is 0 mA and full power steering
assist is provided.
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As the vehicle speed increases, the current increases.
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Conversely, as vehicle speeds decrease, the current decreases at approximately a linear rate.
