Manuals through 2025 now available!
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LEMON is the spiritual successor to CHARM, I recommend you try it!
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Vehicle Speed Sensor: Description and Operation
General Description The PCM determines the speed of the vehicle by converting a plusing voltage signal from the
vehicle speed sensor (VSS) into miles per hour. The PCM uses this signal to operate the cruise control, speedometer, and the TCC and shift solenoids in the transmission. For more information on the TCC and shift solenoids, refer to 4L30-E Automatic Transmission.
