Coolant Pump
WARNING: This page is about a different car, the 2010 Volvo V70, 2009 Volvo V70, and 2008 Volvo V70. However, it is still accessible from the selected car via links, so may be relevant.
The coolant pump is located under the engine control module (ECM) in the cold space at the back edge of the engine compartment toward the passenger compartment.
The coolant pump is driven by an integrated electric motor. It is used to circulate coolant in the engine cooling system.
There are diagnostics for the electronics of the coolant pump.