TSS Sensor and Intermediate Shaft Speed Sensor
WARNING: This page is about a different car, the 2010 Ford Pickup, 2010 Ford F550 Super Duty, 2010 Ford F450 Super Duty, and 2010 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
The TSS and intermediate shaft speed sensors are both Hall-effect sensors requiring ignition voltage and a ground. The other 2 terminals at the sensor are for TSS /intermediate shaft speed sensor signal output. The TSS sensor detects teeth on the coast clutch input hub and the intermediate shaft speed sensor detects teeth on the adjacent Overdrive (O/D) ring gear. Both read 30 teeth per revolution. The TSS and intermediate shaft speed sensors are mounted externally on the transmission case toward the top on the driver's side. The TSS and intermediate shaft speed sensors input to the PCM is digital and is used to determine line pressure, shift scheduling, timing and TCC operation.