The operation of your Volvo XC90's cooling fan is regulated by a relay. If the relay fails, it would make your car's cooling system inefficient, causing the engine to run hot and abruptly cease operation. So, you have to replace it on time.
9. It’s of the following kinds:-
Open relay- has an open armature
Closed relay- here armature is closed
Dual relay- has both open and closed armatures
27. Listed below are a few reasons why the
cooling fan relay of a vehicle may fail:-
Defective controller
Electric short-circuit
Blown fuse
Installation error
Wiring issue