SIGNAL BUFFER SYSTEM : System Description

IPDM E/R reads the status of the oil pressure switch and transmits the oil pressure switch signal to BCM via CAN communication (only for models with VQ37VHR engine). 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 "HOOD SWITCH ".
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 ".