DTC C1AC2: Slave Module Horizontal Axis Misalignment [10/2017 - 10/2023]: Procedure

1. 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

   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.

Result: 

B 

See step  3

Result: 

A 

See step  2

1. Clean the rear bumper.
2. Perform Blind Spot Monitor Beam Axis Confirmation using the Techstream.

   Refer to ADJUSTMENT [10/2017 - 10/2020] , or refer to ADJUSTMENT [10/2020 - 10/2023]

   Body Electrical > Blind Spot Monitor Slave > Utility 

   Tester Display
   BSM Slave Beam Axis Display

   Body Electrical > Blind Spot Monitor Slave > Utility 

   Tester Display
   BSM Slave Beam Axis Adjustment

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END 

Result: 

NG 

REPLACE BLIND SPOT MONITOR SENSOR LH 

Refer to REMOVAL [10/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020] , or refer to REMOVAL [10/2020 - 11/2021] , or refer to REMOVAL [11/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023]

1. Check the installation condition of the blind spot monitor sensor LH.

   Refer to ADJUSTMENT [10/2017 - 10/2020] , or refer to ADJUSTMENT [10/2020 - 10/2023]

   OK

   The blind spot monitor installation position is within the specified range

   Result

   Proceed to
   OK
   NG

Result: 

OK 

See step  5

Result: 

NG 

See step  4

Refer to ADJUSTMENT [10/2017 - 10/2020] , or refer to ADJUSTMENT [10/2020 - 10/2023]

Result

Result: 

NEXT 

See step  5

1. Perform Blind Spot Monitor Beam Axis Confirmation using the Techstream.

   Refer to ADJUSTMENT [10/2017 - 10/2020] , or refer to ADJUSTMENT [10/2020 - 10/2023]

   Body Electrical > Blind Spot Monitor Slave > Utility 

   Tester Display
   BSM Slave Beam Axis Display

   Body Electrical > Blind Spot Monitor Slave > Utility 

   Tester Display
   BSM Slave Beam Axis Adjustment

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END 

Result: 

NG 

REPLACE BLIND SPOT MONITOR SENSOR LH. Refer to  REMOVAL [10/2017 - 09/2018]  , or refer to  REMOVAL [09/2018 - 10/2020]  , or refer to  REMOVAL [10/2020 - 11/2021]  , or refer to  REMOVAL [11/2021 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023]