Toyota CH-R Service Manual > Can Communication System: System Description
SYSTEM DESCRIPTION
BRIEF DESCRIPTION
(a) The Controller Area Network (CAN) is a serial data communication system for
real time application. It is a vehicle multiplex communication system which has
a high communication speed and the ability to detect malfunctions.
(b) Using the CANH and CANL ...
Toyota CH-R Service Manual > Smart Key System(for Entry Function): Open in Driver Side Electrical Antenna Circuit (B27A1)
DESCRIPTION
The certification ECU (smart key ECU assembly) generates a request signal and
transmits the signal to the front door outside handle assembly LH (electrical key
antenna) at intervals of 0.25 seconds. For the front door outside handle assembly
LH (electrical key antenna) to detect w ...