Sleep Operation

BCM receives the sleep-ready signal (ready) from IPDM E/R, combination meter and Intelligent Key unit with CAN communication.
BCM transmits the sleep wake up signal (sleep) to each unit when all of the CAN sleep conditions are fulfilled.
Each unit stops the transmission of CAN communication with the sleep wake up signal. BCM is in CAN communication sleep mode.
BCM is in the low power consumption mode and perform the low power consumption control when all of the BCM sleep conditions are fulfilled with CAN sleep condition.

Sleep condition

SLEEP CONDITION

CAN sleep condition	BCM sleep condition
Receiving the sleep-ready signal (ready) from all units Key switch status: No change Ignition switch: OFF Door switch status: No change Door lock status: No change Hazard warning lamp: Not operation Exterior lamp: OFF Warning lamp: Not operation (Except security indicator) Warning chime: Not operation Remote keyless entry receiver: Not receiving Intelligent key unit communication: No operation request (CAN) CONSULT-III communication status: Not communication Vehicle security system alarm: Not operation Stop lamp switch: OFF	The controls only BCM are completed. (Interior room lamp battery saver: Time out etc.)

CAN sleep condition

BCM sleep condition

The controls only BCM are completed. (Interior room lamp battery saver: Time out etc.)