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VEHICLE STABILITY CONTROL SYSTEM, Diagnostic DTC:C1210, C1336

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DTC Code DTC Name
C1210 Zero Point Calibration of Yaw Rate Sensor Undone
C1336 Zero Point Calibration of Acceleration Sensor Undone
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DESCRIPTION

The skid control ECU (brake actuator assembly) receives signals from the yaw rate and acceleration sensor via CAN communication.

Tip:

If there is a malfunction in the bus lines between the yaw rate and acceleration sensor and the CAN communication system, DTCs U0123 (Lost Communication with Yaw Rate Sensor Module) and U0124 (Lost Communication with Lateral Acceleration Sensor Module) are output. When DTCs U0123 and/or U0124 are output together with C1210 and/or C1336, inspect and repair the trouble areas indicated by U0123 and/or U0124 first.

These DTCs are also output when the calibration has not been completed.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1210 Zero Point Calibration of Yaw Rate Sensor Undone Zero point calibration of yaw rate sensor undone.

  • Sensor installation

  • Yaw rate sensor (yaw rate and acceleration sensor)

  • Skid control ECU (brake actuator assembly)
C1336 Zero Point Calibration of Acceleration Sensor Undone Zero point calibration of acceleration sensor undone.

  • Sensor installation

  • Acceleration sensor (yaw rate and acceleration sensor)

  • Skid control ECU (brake actuator assembly)
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CAUTION / NOTICE / HINT

Note:

When replacing the skid control ECU (brake actuator assembly) or yaw rate and acceleration sensor, perform zero point calibration and store system information.

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Tip:

When U0123 and/or U0124 is output together with C1210 and/or C1336, inspect and repair the trouble areas indicated by U0123 and/or U0124 first.

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PROCEDURE


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    PERFORM ZERO POINT CALIBRATION OF YAW RATE AND ACCELERATION SENSOR


    1. Perform zero point calibration of the yaw rate and acceleration sensor.

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      1. Chassis > ABS/VSC/TRC > Utility
        Tester Display
        Reset Memory





      1. Chassis > ABS/VSC/TRC > Utility
        Tester Display
        Test Mode




      Result
      Proceed to
      NEXT

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    PERFORM TEST MODE INSPECTION (SIGNAL CHECK)


    1. Perform the sensor check in Test Mode Procedure.

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      1. Chassis > ABS/VSC/TRC > Utility
        Tester Display
        Signal Check




      OK
      All Test Mode DTCs are cleared.
      Result
      Proceed to
      OK
      NG

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    CHECK YAW RATE AND ACCELERATION SENSOR INSTALLATION


    1. Turn the engine switch off.

    2. Check that the yaw rate and acceleration sensor has been installed properly.

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      OK
      The sensor should be tightened to the specified torque.
      The sensor should not be installed in a tilted position.
      Result
      Proceed to
      OK
      NG

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    READ VALUE USING GTS (YAW RATE AND ACCELERATION SENSOR)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Select the Data List using the GTS.

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      1. Chassis > ABS/VSC/TRC > Data List
        Tester Display Measurement Item Range Normal Condition Diagnostic Note
        Deceleration Sensor Acceleration sensor reading

        Min.: -18.525 m/s2

        Max.: 18.387 m/s2

        		 - During deceleration/acceleration: Changes continuously
        Deceleration Sensor2 Acceleration sensor 2 reading

        Min.: -18.525 m/s2

        Max.: 18.387 m/s2

        		 - During deceleration/acceleration: Changes continuously
        Yaw Rate Sensor Yaw rate sensor

        Min.: -128°/s

        Max.: 127°/s

        Vehicle stopped: 0°/s

        Turning right: -128 to 0°/s

        Turning left: 0 to 127°/s

        		 -
        Yaw Rate Sensor2 Yaw rate sensor2

        Min.: -128°/s

        Max.: 127°/s

        Vehicle stopped: 0°/s

        Turning right: -128 to 0°/s

        Turning left: 0 to 127°/s

        		 -






      1. Chassis > ABS/VSC/TRC > Data List
        Tester Display
        Deceleration Sensor
        Deceleration Sensor2
        Yaw Rate Sensor
        Yaw Rate Sensor2







    4. Check the yaw rate and acceleration sensor output value displayed on the GTS.

      OK
      The yaw rate and acceleration sensor output value is normal.
      Note:

      Check the yaw rate and acceleration sensor signal after replacement.

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      Tip:

      If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing parts.

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      Result
      Proceed to
      OK
      NG

    • OK

      REPLACE BRAKE ACTUATOR ASSEMBLY for LHD:Click here

      REPLACE BRAKE ACTUATOR ASSEMBLY for RHD:Click here

    • NG

      REPLACE YAW RATE AND ACCELERATION SENSORClick here