Blind Spot Detection/Rear Cross Traffic Alert (DIAGNOSTICS) > Control Module I/O Signal
SYSTEM BLOCK DIAGRAM
• Blind Spot Detection/Rear Cross Traffic Alert system consists of the following.
• There is a control ECM in the radar sensor main body, which performs the vehicle identification and the alert judgment control.
• The LH/RH radar sensors are identified as Master/Slave for control purposes. They are connected by the private CAN to execute the controls through mutual communication. The radar on the Master side receives the input from the vehicle CAN and the SRVD OFF switch, and information necessary for control can be obtained from other modules via the vehicle CAN.
• The outer mirror LED is directly driven by the signal from the radar sensor.

Electrical specification
Wiring diagramDtc u0151 lost communication with restraints control module
INSTRUMENTATION/DRIVER INFO (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0151 LOST COMMUNICATION WITH RESTRAINTS CONTROL MODULEDetected when CAN data is not received from airbag CM.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...
Parking on a grade
Always block the wheels under both
vehicle and trailer when parking. Apply
the parking brake firmly. You should not
park on a hill or slope. If parking on a hill or
slope cannot be avoided, you should take
the following steps:
1. Apply the brakes and hold the pedal
down.
2. Have someone pl ...
System operation
Operating conditions
The BSD/RCTA system in the Subaru Ascent functions only when specific operating
requirements are satisfied. These conditions ensure accurate detection and reliable
system performance.
The ignition switch of the Subaru Ascent is in the "ON" position.
The BSD/ ...