Dtc B2243 Current Steering Angle Mid-Point Unset

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Park Assist Monitoring. Lexus Gs430, Gs300. Uzs190 Grs190

DESCRIPTION

INSPECTION PROCEDURE

CHECK MULTI-INFORMATION DISPLAY

SET STEERING ANGLE MID-POINT

CHECK FOR DTC

INITIAL LEARNING OPERATION SETTING

DTC B2243 Current Steering Angle Mid-point Unset


DESCRIPTION

This DTC is output when one of the following occurs: 1) the initial learning operation is not completed; 2) after the initial learning operation is completed, power is cut due to the battery cable being disconnected and reconnected, etc.; or 3) a data blockage at the steering sensor or variable gear ratio steering system occurs.
HINT:
Steering sensor data is received through the CAN line. When data blockage occurs, it is displayed on the multi-information display (Click here).

DTC No.
DTC Detection Condition
Trouble Area
B2243
Steering angle mid-point not set
  1. Steering angle mid-point
  2. Steering sensor
  3. Variable gear ratio steering system (3UZ - FE only)
  4. CAN communication system
  5. Low battery voltage

INSPECTION PROCEDURE

1.CHECK MULTI-INFORMATION DISPLAY


    Lexus Gs430, Gs300. Uzs190 Grs190.Park Assist Monitoring.Clearance Sonar System. Dtc B2243 Current Steering Angle Mid-Point Unset

  1. Turn the engine switch on (IG).

  1. Turn the clearance sonar main switch ON.

  1. Check that the steering guide mark is blinking or illuminated on the multi-information display.

    HINT:
    The guide mark blinks when there is a malfunction in the steering sensor signal, and illuminates when the steering angle mid-point learning operation is being performed.
    Result:
    Result
    		Proceed to
    Illuminated
    		A
    Blinking
    		B


B
Go to CAN SYSTEM
A


2.SET STEERING ANGLE MID-POINT

  1. Set the steering angle mid-point (Click here).

    HINT:
    Use method 1, 2 or 3 to set the steering angle mid-point.

NEXT


3.CHECK FOR DTC

  1. Connect the intelligent tester to the DLC3.

  1. Using the tester, check for DTCs (Click here).

    Result:
    Result
    		Proceed to
    B2243 is output
    		A
    DTC is not output
    		B


B
END
A


4.INITIAL LEARNING OPERATION SETTING

  1. Perform the initial learning operation (Click here).


NEXT

END