DTC P1217: Engine Over Temperature: Wiring Diagram
WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Wiring Diagram - Engine Over Temperature - EC-COOL/F-01
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Wiring Diagram - Engine Over Temperature - EC-COOL/F-02