ELECTRONICALLY CONTROLLED BRAKE SYSTEM, Diagnostic DTC:C1240/95

DTC Code DTC Name
C1240/95 Yaw Rate Sensor Discrimination

DESCRIPTION

DTC No. Detection Item INF Code DTC Detection Condition Trouble Area Note
C1240/95 Yaw Rate Sensor Discrimination 321 The skid control ECU assembly identification information and the yaw rate sensor identification information sent by CAN communication differs for 1 second or more

  • Yaw rate sensor

  • Skid control ECU assembly

 ABS DTC
DTC No. Brake warning light / yellow (minor malfunction) code ABS warning light code Slip indicator light code Brake hold standby indicator light code
C1240 36 95 43 21

CAUTION / NOTICE / HINT

Note

When replacing the skid control ECU assembly or yaw rate sensor, perform initialization and calibration of the linear solenoid valve.

Click here

PROCEDURE


  1. CHECK PART NUMBER (YAW RATE SENSOR)


    1. Check that the proper yaw rate sensor is installed.

      OK
      Proper yaw rate sensor is installed.
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE YAW RATE SENSOR Click here

    OK

  2. RECONFIRM DTC


    1. Clear the DTCs.

      Click here


      Chassis > ABS/VSC/TRC > Clear DTCs

    2. Turn the engine switch off.

    3. Turn the engine switch on (IG).

    4. Check if the same DTC is output.

      Click here


      Chassis > ABS/VSC/TRC > Trouble Codes
      Result
      Result Proceed to
      DTC C1240/95 is not output. A
      DTC C1240/95 is output. B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    REPLACE SKID CONTROL ECU ASSEMBLY for RHD: Click here
    REPLACE SKID CONTROL ECU ASSEMBLY for LHD: Click here