Toyota CH-R Owners Manual > BSM (Blind Spot Monitor): RCTA function
The RCTA functions when your vehicle is in reverse. It can detect other vehicles
approaching from the right or left rear of the vehicle. It uses radar sensors to
alert the driver of the other vehicle's existence through flashing the outside rear
view mirror indicators and sounding a buzzer ...
Toyota CH-R Service Manual > Can Communication System: Open in One Side of Bus 4 Branch Line
DESCRIPTION
When the CAN bus main lines are normal (no open, short to ground, short to +B
or short between lines) and there is an ECU or sensor on the "Communication Bus
Check" screen that is indicated as not communicating or whose connection status
on the "Communication Bus Ch ...