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Subaru Legacy Service Manual: Dtc b28ba steering angle and stereo camera correlation misaligned

Subaru Legacy Service Manual / Eyesight (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc b28ba steering angle and stereo camera correlation misaligned

Detected when the center point of the steering angle sensor is misaligned.

Detected when the alignment is extremely misaligned.

DTC DETECTING CONDITION:

Defective wheel alignment

Defective VDC CM

Defective stereo camera

TROUBLE SYMPTOM:

All functions of EyeSight system do not operate.

EyeSight warning light illuminates.

NOTE:

Prior confirmation is required to check if the work related to alignment has been performed or there is an accident history.

Record the value of current data «Active Lane Keep System Control Learning Value 3» of stereo camera using Subaru Select Monitor.

STEPCHECKYESNO

1.CHECK DTC.

Read the DTC of VDC. Basic Diagnostic Procedure

Is DTC related to steering angle sensor displayed-

Perform the diagnosis according to DTC, and Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B28BA STEERING ANGLE AND STEREO CAMERA CORRELATION MISALIGNED

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B28BA STEERING ANGLE AND STEREO CAMERA CORRELATION MISALIGNED

2.CHECK DRIVING CONDITION.

Check the driving condition.

Is the steering wheel obviously tilted when the vehicle is in the straight ahead position- (Check if it is obviously tilted at the closest point between the column cover and the steering wheel.)

Perform the wheel alignment adjustment. Wheel Alignment, and Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B28BA STEERING ANGLE AND STEREO CAMERA CORRELATION MISALIGNED

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B28BA STEERING ANGLE AND STEREO CAMERA CORRELATION MISALIGNED

3.CHECK CURRENT DATA.

1) Display the current data «Steer Angle Sensor Op» of stereo camera using Subaru Select Monitor. Read Current Data

NOTE:

Do not use «Steering Angle Sensor Value (Right +) (Left -)» when checking.

2) Check the value when the vehicle is in the straight ahead position.

Is the value from -2 to +2 degrees-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B28BA STEERING ANGLE AND STEREO CAMERA CORRELATION MISALIGNED

Perform «VSC(VDC) Centering Mode» for VDC. VDC Control Module and Hydraulic Control Unit (VDCCM&H/U) > ADJUSTMENT Repeat the step 3. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B28BA STEERING ANGLE AND STEREO CAMERA CORRELATION MISALIGNED

4.CHECK JOB CONTENT.

Check the job contents performed so far. (To identify whether the problem belongs to the vehicle or the stereo camera.)

Is one of the following actions performed: steering angle sensor diagnosis, wheel alignment adjustment or VDC sensor centering mode-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B28BA STEERING ANGLE AND STEREO CAMERA CORRELATION MISALIGNED

Replace the stereo camera. Stereo Camera

5.LANE KEEP ASSIST LEARNING VALUE CLEAR.

1) Perform «Clear Active Lane Keep System Learning Value». Clear Active Lane Keep System Learning Value

2) Turn the ignition switch OFF > ON.

3) Display the current data «Active Lane Keep System Control Learning Value 3» of stereo camera using Subaru Select Monitor. Read Current Data

Is the value of «Active Lane Keep System Control Learning Value 3» 0-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B28BA STEERING ANGLE AND STEREO CAMERA CORRELATION MISALIGNED

Performing «Clear Active Lane Keep System Learning Value» is not complete. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B28BA STEERING ANGLE AND STEREO CAMERA CORRELATION MISALIGNED

6.CHECK DTC.

1) Clear the memory. Clear Memory Mode

2) Turn the ignition switch OFF > ON.

3) Read the DTC. Diagnostic Code(s) Display

Is DTC B28BA displayed-

Clearing the memory is not complete. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B28BA STEERING ANGLE AND STEREO CAMERA CORRELATION MISALIGNED

The current state is normal. Finish the diagnosis.

7.CHECK SUBARU SELECT MONITOR CONNECTION.

Check the connection of Subaru Select Monitor.

Is there any fault in the harness and connection between Subaru Select Monitor and stereo camera-

Replace the harness or repair the connection.

In case that the step 5 is not performed Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B28BA STEERING ANGLE AND STEREO CAMERA CORRELATION MISALIGNED

In case that the step 5 has been performed Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B28BA STEERING ANGLE AND STEREO CAMERA CORRELATION MISALIGNED

Replace the stereo camera. Stereo Camera

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