Basic inspection
Power distribution systemPower consumption control system
System Diagram
System Description
OUTLINE
BCM incorporates a power saving control function that reduces the
power consumption according to the
vehicle status.
BCM switches the status (control mode) by itself with the power
saving control function. It performs the sleep
reques ...
B2553 ignition relay
Description
BCM turns ON the following relays to ignition power supply to each ECU when
the ignition switch is turned
ON.
Ignition relay-1 (inside IPDM E/R)
Ignition relay-2 (inside fuse block (J/B))
Front blower motor relay
BCM checks any ignition relay ON request for consistency wi ...
U1000 can comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
applications. It is an on-vehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Modern
vehicles are equipped with many electronic control units, an ...