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Home >> BMW >> 2019 >> X3 M40i >> Repair and Diagnosis >> External Pages >> Different car >> Section 575 (Functional Descriptions - F25 - Cooling System, Engine Performance) >> Cooling System - Functional Description >> Coolant shutoff valve >> Structure and inner electrical connection

Structure and inner electrical connection

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The coolant shutoff valve is opened currentless.

The coolant shutoff valve is connected to the vehicle electrical system by means of a 2-pin plug connection. The front power distribution box supplies the coolant shutoff valve with terminal 15N.

Fig 1: Coolant Shutoff Valve - Circuit Diagram
G09908776Courtesy of BMW OF NORTH AMERICA, INC.
Index Explanation
1 Coolant shutoff valve
PIN REFERENCE

Pin Explanation
Terminal 15N Terminal 15N supply
PWM Activation of coolant shutoff valve