Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Rear Side Radar Sensor (Module "A") Beam Axis Misalignment (Horizontal) (C1AC200)

Toyota Corolla Cross (2022-2024) Service Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Blind Spot Monitor System / Rear Side Radar Sensor (Module "A") Beam Axis Misalignment (Horizontal) (C1AC200)

DESCRIPTION

This DTC is stored when the angle of the blind spot monitor sensor RH (A) deviates more than the allowable range from the horizontal axis.

HINT:

  • If a drum tester such as a speedometer tester, brake/speedometer combination tester or chassis dynamometer is used with the blind spot monitor system on, the blind spot monitor sensor may store this DTC by mistake.
  • When mud, snow, ice, a sticker, etc. is covering the sensor or its surrounding area on the rear bumper, the blind spot monitor sensor may store this DTC by mistake.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AC200

Rear Side Radar Sensor (Module "A") Beam Axis Misalignment (Horizontal)

When the blind spot monitor sensor deviates 5 degrees or more from the horizontal axis when the system is activated

Blind spot monitor sensor RH (A)

CAUTION / NOTICE / HINT

NOTICE:

  • When checking for DTCs, make sure that the blind spot monitor system is turned on.
  • If the bumper is damaged or the vehicle has a history of body repair, there is a possibility that the installation area of the blind spot monitor sensor may be deformed and the blind spot monitor sensor system may not operate correctly, so visually inspect the blind spot monitor sensor installation area (frame, stud bolt) to make sure it is not dented or bent.

    Click here

    If the visual inspection finds a problem, check the installation condition of the blind spot monitor sensor, and adjust the installation position of the blind spot monitor sensor as necessary.

PROCEDURE

1.

CHECK VEHICLE CONDITION

(a) Check the condition of the rear bumper around the blind spot monitor sensors.

HINT:

When mud, snow, ice, a sticker, etc. is covering the sensor or its surrounding area on the rear bumper, the blind spot monitor sensor may store this DTC by mistake.

Result

Proceed to

A sticker, mud, snow, ice, etc. is covering the sensor or surrounding area on the rear bumper.

A

There are scratches or dents on the rear bumper around the sensors.

B

No abnormalities.

C

B

GO TO STEP 3

C

GO TO STEP 3

A

2.

PERFORM BLIND SPOT MONITOR BEAM AXIS CONFIRMATION

(a) Clean the rear bumper.

(b) Perform Blind Spot Monitor Beam Axis Confirmation using the GTS.

Body Electrical > Blind Spot Monitor "A" > Utility

Tester Display

BSM "A" Beam Axis Display

Body Electrical > Blind Spot Monitor "A" > Utility

Tester Display

BSM "A" Beam Axis Adjustment

OK

END

NG

REPLACE BLIND SPOT MONITOR SENSOR RH (A)

Click here

NOTICE:

Before replacing the blind spot monitor sensor RH (A), visually check for damage to the stud bolts or area surrounding the blind spot monitor sensor RH (A).

If there is any damage to the stud bolts or area surrounding the blind spot monitor sensor RH (A), perform Blind Spot Monitor Sensor Installation Condition Inspection and adjust according to the result.

Click here

3.

CHECK INSTALLATION CONDITION

(a) Check the installation condition of the blind spot monitor sensor RH (A).

HINT:

Click here

OK:

The blind spot monitor installation position is within the specified range.

OK

GO TO STEP 5

NG

4.

ADJUST THE INSTALLATION POSITION OF THE BLIND SPOT MONITOR SENSOR RH (A)

HINT:

Click here

NEXT

5.

PERFORM BLIND SPOT MONITOR BEAM AXIS CONFIRMATION

(a) Perform Blind Spot Monitor Beam Axis Confirmation using the GTS.

Body Electrical > Blind Spot Monitor "A" > Utility

Tester Display

BSM "A" Beam Axis Display

Body Electrical > Blind Spot Monitor "A" > Utility

Tester Display

BSM "A" Beam Axis Adjustment

OK

END

NG

REPLACE BLIND SPOT MONITOR SENSOR RH (A)

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