Hood Switch
WARNING: This page is about a different car, the 2017 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
Hood switch 
detects that hood is open and then transmits ON/OFF signal to IPDM E/R. IPDM E/R transmits hood switch signal to BCM via CAN communication. Hood switch is integrated into hood lock assembly LH.
 Courtesy of NISSAN NORTH AMERICA, INC.
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