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Coolant level switch (242)

Coolant level switch (242)

Location

Coolant level switch (242)

Main task

To warn of low coolant level.

Type

Magnetic reed actuated by a magnet situated in a float.

Connection

Pin No. Signal type Description
1 Signal Connects to BCM pin (A)13 in (K78)
2 Ground Connects to grounding point G33S



Function

The float will drop when the coolant level is low so that the ring magnet acts on the reed and closes the circuit.