SIGNAL BUFFER SYSTEM : System Description
WARNING: This page is about a different car, the 2011 Nissan Juke. However, it is still accessible from the selected car via links, so may be relevant.
IPDM E/R receives the rear window defogger control signal from BCM via CAN communication and transmits the rear window defogger status signal to ECM via CAN communication. Refer to "WITH AUTO A/C : SYSTEM DIAGRAM ".