SYSTEM DIAGRAM

Parts Location
How To Proceed With TroubleshootingToyota CH-R Service Manual > Audio And Visual System(for Radio And Display Type): Telematics Transceiver Disconnected (B15DB)
DESCRIPTION
If the radio and display receiver assembly cannot detect the DCM (telematics
transceiver) for a certain period of time (90 seconds) after the ignition switch
is turned on (ACC) and the radio and display receiver assembly confirms that the
information is missing by checking past DC ...
Toyota CH-R Service Manual > Can Communication System: Check Bus 2 Line for Short to +B
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and +B when no
resistance exists between terminal 18 (CA4H) of the central gateway ECU (network
gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 17 (CA4L) of the central
gateway ECU (network gateway ECU) and ...