ComponentsToyota CH-R Service Manual > Navigation System: 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 engine switch is
turned on (ACC) and the radio and display receiver assembly confirms that the information
is missing by checking past DCM ...
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 ...