900 S Coupe L4-1985cc 2.0L DOHC Turbo EFI (1998)
Coolant Temperature Sensor / Switch HVAC: Description and Operation
Coolant Temperature Sensor
The engine's coolant temperature sensor is connected to Integrated Central Electronics (ICE). ICE uses the coolant temperature to control the
radiator fan and switch off the A/C compressor at high temperatures.