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Home >> Subaru >> 2020 >> Outback Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Blind Spot Detection/Rear Cross Traffic Alert System (Service Information) >> Radar Sensor >> Adjustment >> Radar Axis Adjustment

Radar Axis Adjustment

CAUTION:
  • After removal/installation of the radar sensor or the radar bracket, perform the radar axis adjustment.
  • This procedure shows the master side. The procedure for the slave side can also be done in the same way as the master side.
  • This procedure shows the OUTBACK model. The procedure for the sedan model can also be done in the same way as OUTBACK model.
  1. Before performing the inspection, check the following items.
    • The inflation pressure of tires is correct.
    • The vehicle does not have load.
    • Vehicle's fuel tank is fully filled.
  2. Place the vehicle on a level surface, where approximately 5 m (16.41 ft) square area can be secured behind the vehicle.
    CAUTION:
    • No metallic objects around the vehicle and on the floor in the area.
    • Do not let in objects other than the radar reflector (ST), persons and metallic objects inside the area.
    NOTE: The illustration shows the secured area for adjusting the radar axis on the master side.
    G13626251Courtesy of SUBARU OF AMERICA, INC.
  3. Set up the radar reflector (ST).
    CAUTION: Make sure that the radar reflector is set so that the center of pyramid of the radar reflector is oriented toward the radar sensor.
    NOTE: The following procedure explains the method of setting the radar reflector so that the distance between radar reflector and radar sensor is 1, 500 mm (4.92 ft) and the angle of the radar is 50°.

    Preparation tool: 

    ST: RADAR REFLECTOR (87699AL00A)

    Stand, tripod, etc.

    Leveling line

    Plumb bob

    1. Adjust the height of the radar reflector.
      1. Attach the radar reflector to a stand or tripod.
      2. Adjust the height of the radar reflector.
        G13626252Courtesy of SUBARU OF AMERICA, INC.

        Specification: 

        Sedan model: 700±10 mm (27.6±0.39 in)

        OUTBACK model: 655±10 mm (25.79±0.39 in)

    2. Suspend the plumb bob from the center of the front hole cap, and mark the position where the plumb bob touches the ground. (Point A)
      NOTE: Stick the packing tape etc. on the floor, then make a marking on the tape.
      G13626253Courtesy of SUBARU OF AMERICA, INC.
    3. Suspend the plumb bob from the center of the rear bumper mounting clip, and mark the position where the plumb bob touches the ground. (Point E)
      NOTE: Stick the packing tape etc. on the floor, then make a marking on the tape.
      G13626254Courtesy of SUBARU OF AMERICA, INC.
    4. Use a string to draw an arc with the marked point A and point B as a pivot.
    5. Set up the radar reflector at the cross point of the two arcs.
      • Sedan model
        G13626255Courtesy of SUBARU OF AMERICA, INC.
      • OUTBACK model
        G13626256Courtesy of SUBARU OF AMERICA, INC.
  4. Perform radar axis adjustment.
    1. Using the Subaru Select Monitor, select [RADAR Alignment] from the work support item list of [Blind Spot Detection/Rear Cross Traffic Alert(LH)] or [Blind Spot Detection/Rear Cross Traffic Alert(RH)]. Ref. to COMMON (diag)>Work Support>OPERATION .
    2. Follow the messages displayed on the Subaru Select Monitor screen when working.
      NOTE: Deviation of radar axis direction is indicated by + (plus) or - (minus).
      G13626257Courtesy of SUBARU OF AMERICA, INC.
    3. If the result is out of permissive range, it is assumed that the radar reflector position may be incorrect or the radar bracket or its installation location on the vehicle may be deformed. Check the set position of the radar reflector, radar bracket and other attachment, and perform the radar axis adjustment again.
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