SIGNAL BUFFER SYSTEM : System Description: Outline

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.

BCM has the signal transmission function that outputs/transmits each input/received signal to each unit.

Signal transmission function list

SIGNAL TRANSMISSION FUNCTION CHART

Signal name	Input	Output	Description
Ignition switch ON signal ACC signal	Push-button ignition switch (Push switch)	IPDM E/R (CAN) Driver seat control unit (CAN) Sliding door control unit LH (CAN) Sliding door control unit RH (CAN)	Inputs the push-button ignition switch (push switch) signal and transmits the ignition switch status judged with BCM via CAN communication.
Door switch signal	Any door switch	Combination meter (CAN) IPDM E/R (CAN) Driver seat control unit (CAN)	Inputs the door switch signal and transmits it via CAN communication.
Oil pressure switch signal	IPDM E/R (CAN)	Combination meter (CAN)	Transmits the received oil pressure switch signal via CAN communication.
Blower fan ON signal	A/C auto amp. (Auto A/C) A/C amp. (Manual A/C)	ECM (CAN)	Input blower fan ON signal, and transmits it via CAN communication.
A/C ON signal	A/C auto amp. (Auto A/C) A/C amp. (Manual A/C)	ECM (CAN)	Input A/C ON signal, and transmits it via CAN communication.
Stop lamp switch signal	Stop lamp relay	TCM (CAN)	Inputs the stop lamp switch 1 signal and stop lamp switch 2 signal, and transmits it via CAN communication.
Interlock/PNP switch signal	TCM	IPDM E/R (CAN)	Inputs the P/N position signal and transmits Interlock/PNP switch signal via CAN communication.