SYSTEM DIAGRAM

Parts Location
How To Proceed With TroubleshootingToyota CH-R Service Manual > Audio And Visual System(for Radio And Display Type): Main Body ECU Vehicle Information Reading/Writing Process Malfunction (B15F6)
DESCRIPTION
This DTC is stored when items controlled by the main body ECU (multiplex network
body ECU) cannot be customized via the audio and visual system vehicle customization
screen.
HINT:
The main body ECU (multiplex network body ECU) controls the items for the following
systems that ar ...
Toyota CH-R Service Manual > Smart Key System(for Entry Function): New Key cannot be Registered
DESCRIPTION
If a new electrical key transmitter sub-assembly could not be registered, wave
interference or a malfunction of the certification ECU (smart key ECU assembly),
electrical key transmitter sub-assembly, ID code box (immobiliser code ECU), steering
lock ECU (steering lock actuator or ...