LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2025 >> Forester Wilderness >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Eyesight System) >> Wide Angle Mono Camera Adjustment, Inspection >> Procedure >> Optical Axis Adjustment

Optical Axis Adjustment

WARNING: This page is about a different car, the 2023 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.

Perform this procedure when the wide angle mono camera is readjusted or replaced (such as when the wide angle mono camera is malfunctioning, when the wide angle mono camera is reinstalled, and when the windshield glass is replaced).

CAUTION:
  • When the wide angle mono camera is readjusted or replaced, be sure to perform the [Optical Axis Adjustment Preparation] first. When [Optical Axis Adjustment Preparation] was skipped, restart the procedure from [Optical Axis Adjustment Preparation] again. Ref. to EYESIGHT>WIDE ANGLE MONO CAMERA ADJUSTMENT, INSPECTION>PROCEDURE>PERFORM PREPARATION OF OPTICAL AXIS ADJUSTMENT .
  • Perform [Optical Axis Adjustment] without passengers.
  • If the vehicle is moved without successful completion of [Optical Axis Adjustment], the warning light illuminates.
  • Check that the headlight is off.
  1. Using the Subaru Select Monitor, select [Optical Axis Adjustment] in [Work Support] of [Wide Angle Mono Camera]. Ref. to COMMON (DIAGNOSTICS)>WORK SUPPORT .
  2. When [Make the following optical axis adjustment of Wide Angle Mono Camera. Please push [OK] if ready. If you finish the optical axis adjustment, you push [Cancel], and turn OFF IGN SW.] is displayed, select [OK] if preparation is ready.
  3. When [In process...] is displayed, wait until it finishes.
    NOTE: After wide angle mono camera adjustment, the function will be enabled, when the ignition switch is turned to OFF and the system is restarted.
  4. When the optical axis adjustment is finished correctly, [Optical axis adjustment normally finished Wide Angle Mono Camera optical axis adjustment has been completed normally. To save and apply adjustment, inspection results, turn OFF IGN SW more than 5 seconds.] is displayed. Select [OK] to go to step 6.
  5. When the optical axis adjustment is finished abnormally, refer to the following list.
    CAUTION: Check the list items, and if the same NG item is displayed even when [Optical Axis Adjustment] is performed again, replace the wide angle mono camera.
    NG LIST

    Display Check items on error
    [Optical axis adjustment failure]
    1. The vehicle must not be moving during optical axis adjustment.
    2. Check the diagnostic trouble code (DTC).
    [Target quantity error]
    1. Make sure that the wide angle mono camera is installed correctly to the camera bracket.
    2. Make sure that the lens hood assembly is installed correctly to the camera bracket.
    3. Dirt should not adhere to the windshield glass or the lens of the wide angle mono camera.
    4. There should be no crack on the windshield glass.
    5. Make sure that the headlight is off.
    6. The target chart should be the specified one.
    7. Make sure that the white and black of the target chart is oriented correctly.
    8. There should be no obstacles that block the target chart.
    9. Lighting circumstance for the target chart should be normal.
    10. The target chart should not be dirty or damaged.
    11. The vehicle and target chart should be secured correctly.
    12. Optical axis adjustment should be performed with the vehicle at curb weight.
    13. There should be no malfunction in the suspension.
    14. Patterns similar to the target chart should not be present at any specified positions.
    15. Registered vehicle model information should be correct.
    16. The worker should not walk through the work area during optical axis adjustment.
    [Target fixation error]
    1. Optical axis adjustment should be performed with the vehicle at curb weight.
    2. The worker should not lean against the vehicle during optical axis adjustment.
    3. The vehicle and target chart should be secured correctly.
    4. Patterns similar to the target chart should not be present at any specified positions.
    [Target location and spacing error]
    1. Make sure that the wide angle mono camera is installed correctly to the camera bracket.
    2. The vehicle and target chart should be secured correctly.
    3. Patterns similar to the target chart should not be present at any specified positions.
    4. Registered vehicle model information should be correct.
    [FOE and roll angle error]
    [Recognition time exceeded] Perform the optical axis adjustment again.
    NOTE: If NG is output again, replacement of the wide angle mono camera is recommended.
    [Storage time exceeded] Check the diagnostic trouble code (DTC).
    [Communication error]
    1. The vehicle must not be moving during optical axis adjustment.
    2. Vehicle model information should be registered.
    3. Check the diagnostic trouble code (DTC).
    NOTE: Check 1 - 3, and if there is no problem, perform the optical axis adjustment again.
    [Communication time out] Perform the optical axis adjustment again.
  6. Turn the ignition switch to OFF and wait for approx. 5 seconds.
  7. Turn the ignition switch to ON.
  8. Display [Aiming Completion Status] of [Data monitor], and confirm that the display shows [Dealer Adjustment OK]. Ref. to COMMON (DIAGNOSTICS)>DATA MONITOR .
  9. Perform [Clear memory] of [DTC]. Ref. to COMMON (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
  10. Turn the ignition switch to OFF.
scientia non olet · About LEMON Manuals