Im pretty sure the toyota uses a compressor rpm sensor, as the A/C amplifier will throw a code if the belt slips and will immediately shut down the compressor.

Anyway - its a very robust piece, A better one is sanden screw type.

__________________
2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)