SIGNAL BUFFER SYSTEM: System Description

WARNING: This page is about a different car, the 2012 Infiniti QX56. 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 "OIL PRESSURE WARNING LAMP: SYSTEM DIAGRAM ".
IPDM E/R reads the status of the hood switch and transmits the hood switch signal to BCM via CAN communication. Refer to "VEHICLE SECURITY SYSTEM: 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 ".