SIGNAL BUFFER SYSTEM : System Description

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

SYSTEM DIAGRAM

Fig 1: Signal Buffer System Diagram

Courtesy of NISSAN MOTOR CO., U.S.A.

DESCRIPTION

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 DESCRIPTION ".
IPDM E/R receives the rear window defogger control signal from BCM via CAN communication and transmits it to ECM via CAN communication. Refer to "SYSTEM DESCRIPTION ".