Heater Pump
WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
- Heater pump is used to circulate the water heated by the engine cooling system.
 Courtesy of NISSAN NORTH AMERICA, INC.
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- The speed of heater pump is controlled based on the control signal from A/C auto amp..