SW1 L4-1.9L SOHC VIN 8 (1996)
Vehicle Speed Sensor: Description and Operation
Transaxle Turbine Shaft Speed Sensor
The transaxle turbine shaft speed sensor is a permanent magnet (PM) generator mounted near the pressure filter on the transaxle case. The sensor
produces a pulsing voltage whenever turbine shaft speed is above 250 rpm. These pulses occur eight times per each turbine shaft revolution and are
translated to provide turbine shaft speed in rpm.
The PCM uses transaxle turbine speed sensor to compare engine rpm and vehicle speed. By comparing the turbine shaft speed the PCM can accurately
identify inaccurate ratios such as clutch slippage, lack of pressure, etc.
