BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:C1AC1

DTC Code DTC Name
C1AC1 Master Module Horizontal Axis Misalignment

DESCRIPTION

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

Tech Tips

If a drum tester such as a speedometer tester, brake/speedometer combination tester or chassis dynamometer is used with the blind spot monitor main switch (combination switch assembly) on, the blind spot monitor system may store this DTC by mistake.

DTC No. Detection Item DTC Detection Condition Trouble Area Note
C1AC1 Master Module Horizontal Axis Misalignment When the blind spot monitor sensor deviates 5 degrees or more from the horizontal axis when the system is activated. Blind spot monitor sensor LH -

CAUTION / NOTICE / HINT

Note


  • When checking for DTCs, make sure that the blind spot monitor main switch (combination switch assembly) is 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.

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    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 INSTALLATION CONDITION


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

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      Tech Tips

      Take the appropriate action in accordance with the result.

      Result
      Proceed to
      NEXT

    NEXT

  2. PERFORM BEAM AXIS CONFIRMATION


    1. Install the rear bumper.

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    2. Perform Blind Spot Monitor Beam Axis Confirmation using the GTS.

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      Body Electrical > Blind Spot Monitor Master > Utility
      Tester Display
      BSM Master Beam Axis Adjustment

      Body Electrical > Blind Spot Monitor Master > Utility
      Tester Display
      BSM Master Beam Axis Display
      Result
      Proceed to
      OK
      NG

    OK

    END

    NG

    REPLACE BLIND SPOT MONITOR SENSOR LH Click here