System Description: Outline

WARNING: This page is about a different car, the 2008 Infiniti EX35. 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 LIST

Signal name	Input	Output	Description
Ignition switch ON signal Ignition switch signal	Push-button ignition switch (push switch)	IPDM E/R (CAN) Driver seat control unit (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 (via unified meter and A/C amp.) (CAN) IPDM E/R (CAN) Driver seat control unit (CAN) AV control unit (CAN)	Inputs the door switch signal and transmits it via CAN communication.
Oil pressure switch signal	IPDM E/R (CAN)	Combination meter (via unified meter and A/C amp.) (CAN)	Transmits the received oil pressure switch signal via CAN communication.
Stop lamp switch signal	Stop lamp switch ICC brake hold relay (With ICC)	TCM (CAN)	Inputs the stop lamp switch signal or ICC brake hold relay (with ICC) signal, and transmits it via CAN communication.