SIGNAL BUFFER SYSTEM : System Description

WARNING: This page is about a different car, the 2011 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

IPDM E/R reads the status of the oil pressure switch and transmits the oil pressure switch signal to BCM via CAN communication. Refer to , "WARNING LAMPS/INDICATOR LAMPS : SYSTEM DIAGRAM ".
IPDM E/R receives the rear window defogger control signal from BCM via CAN communication and transmits it to ECM and AV control unit via CAN communication. Refer to , "SYSTEM DIAGRAM ".