Coolant Level Sensor: Description and Operation
Coolant Level Switch (242)
Main task
To warn of low coolant level.
If the coolant level is low, the float sinks, at which time the ring magnet actuates the reed, which closes the circuit. BCM transmits the bus message "Coolant level low".
Type
Magnetic reed actuated by a magnet situated in a float.
Connection
Pin No. 1-2:
