Transaxle Vehicle Speed Sensor
The vehicle speed sensor is mounted on transaxle case extension facing toward right wheel. The sensor consists of a permanent magnet surrounded by a coil of wire. The sensor mounts into extension and maintains a slight air gap (0.045-0.109") between itself and a toothed ring located on differential. See Figure . The vehicle speed sensor can then measure speed of rotor which contains 31 teeth and is attached to transaxle output shaft. As differential is rotated, and AC signal is induced in rear sensor, which varies in frequency and voltage output.
This input is used for TCC, line pressure, shift timing and torque management controls. Measure vehicle speed sensor resistance at sensor.
- Low Speed = low Hz and voltage amplitude.
- High Speed = high Hz and voltage amplitude.
NOTE:
Output voltage will vary with speed from a minimum of 0.5 Volts AC at 100 RPM, to more than 100 Volts AC at 8000 RPM.