General Information: General Description
WARNING: This page is about a different variant/trim than selected.
The Electronics Water Pump (EWP) supplies coolant from the radiator to the Hybrid Power Control Unit (HPCU) and the Hybrid Starter Generator (HSG). When the EWP is energized, coolant will flow through the HSG, Radiator, HPCU, Reservoir Tank and then back through the EWP.