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Home >> Mitsubishi >> 2024 >> Eclipse Cross SEL >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Blind Spot Warning (BSW)/Rear Cross Traffic Alert (RCTA) >> BSW-Ecu >> BSW-Ecu Inspection >> Check process

Check process

Required Special Tools: 

  1. Connect the scan tool (M.U.T.-IIISE).
  2. Ensure that the BSW system is turned on. If no, operate the blind spot warning switch to turn on the system.
  3. Proceed to the steps below on the scan tool (M.U.T.-IIISE):
    1. Select "BSW" or "BSW (SUB)."
      NOTE: Select "BSW" for the BSW-ECU (master) and "BSW (SUB)" for the BSW-ECU (slave), respectively.
    2. Select "Special function."
    3. Select "Test."
    4. Select "Radar detecting angle check."
  4. Observe the flow chart below:
G12150846Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
G12150847Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
NOTE: If not within the specified value, any of the causes below is suspected.
  • The BSW-ECU is defective.
  • The BSW-ECU bracket is defective (deformed)
  • The BSW-ECU bracket mount is defective (deformed)
  • Damaged bumper (scratches or dents)