Toyota RAV4 (XA50) 2019-2026 Owners Manual: RCTA (Rear Cross Traffic Alert) function
The RCTA function uses the BSM rear side radar sensors installed behind the rear bumper. This function is intended to assist the driver in checking areas that are not easily visible when backing up.
WARNING
â– Cautions regarding the use of the system
The driver is solely responsible for safe driving. Always drive safely, taking care to observe your surroundings.
The RCTA function is only a supplementary function which alerts the driver that a vehicle is approaching from the right or left at the rear of the vehicle.
As the RCTA function may not function correctly under certain conditions, the driver's own visual confirmation of safety is necessary.
Over reliance on this function may lead to an accident resulting death or serious injury.
System components
- Meter control switches
Turning the RCTA function on/off.
When the RCTA function is disabled, the RCTA OFF indicator illuminates.
- Outside rear view mirror indicators If a vehicle is detected as approaching from the left or right behind the vehicle, both outside rear view mirror indicators will blink and a buzzer will sound.
- Multimedia display
If a vehicle approaching from the right or left at the rear of the vehicle is detected, the RCTA icon for the detected side will be displayed on the Multimedia display.This illustration shows an example of a vehicle approaching from both sides of the vehicle.
Turning the RCTA function on/off
The RCTA can be enabled/disabled
on 
of the multi-information
display.
When the RCTA function is disabled, the RCTA OFF indicator
illuminates. (Each time
the engine switch is turned to
OFF then changed to ON, the
RCTA function will be enabled
automatically.)
â– Outside rear view mirror indicator visibility
In strong sunlight, the outside rear view mirror indicator may be difficult to see.
â– Hearing the RCTA buzzer
The RCTA buzzer may be difficult to hear over loud noises, such as if the audio system volume is high.
â– When "Rear Cross Traffic Alert Unavailable" is shown on the multi-information display
Ice, snow, mud, etc., may be attached to the rear bumper around the sensors. Removing the ice, snow, mud, etc., from the attached to the rear bumper around the sensors to normal. Additionally, the function may not function normally when used in extremely hot or cold environments.
â– When "Rear Cross Traffic Alert Malfunction Visit Your Dealer" is shown on the multi-information display
There may be a sensor malfunction or misaligned. Have the vehicle inspected at a Toyota dealer.
Sensor detection display,
object distance
â– Detection range of the sensors
Approximately 3.3 ft. (100
cm)
Approximately 4.9 ft. (150
cm)
Approximately 2.1 ft. (63 cm)
The diagram shows the detection
range of the sensors. Note that t ...
RCTA function
â– Operation of the RCTA
function
The RCTA function uses rear
side radar sensors to detect
vehicles approaching from the right or left at the rear of the
vehicle and alerts the driver of
the presence ...
Other materials:
Throttle actuator control throttle body range / performance
Description
The electronic throttle control system (etcs) is composed of the throttle
actuator, throttle position (tp)
sensor, accelerator pedal position (app) sensor, and ecm. The ecm operates the
throttle actuator to
regulate the throttle valve in response to driver inputs. The tp senso ...
Rear occupant classification sensor lh collision detection
Description
Dtc b1787 is output when the occupant classification ecu receives a collision
detection signal sent by
the rear occupant classification sensor lh when an accident occurs.
Dtc b1787 is also output when the front seat assembly rh is subjected to a
strong impact, even if an
actua ...
Outer mirror switch
Inspection
Inspect outer mirror switch assembly
The l position of the left/right adjustment switch:
measure the resistance of the mirror switch.
Standard resistance (for left side)
If the result is not as specified, replace the switch
assembly.
The r position of the left/r ...
