VEHICLE STABILITY CONTROL SYSTEM(for TMC Made), Diagnostic DTC:C1442, C1443

DTC Code DTC Name
C1442 Invalid Data Received from Deceleration Sensor
C1443 Invalid Data Received from Yaw Rate Sensor

DESCRIPTION

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

DTC No. DTC Detection Condition Trouble Area
C1442

Both of the following is condition is met.


  1. With the IG1 terminal voltage between 9.5 and 17.4 V.

  2. An invalid data signal is transmitted continuously from the acceleration sensor for 10 seconds or more.

 Yaw rate sensor (Airbag sensor assembly)
C1443

Both of the following is condition is met.


  1. With the IG1 terminal voltage between 9.5 and 17.4 V.

  2. An invalid data signal is transmitted continuously from the yaw rate and acceleration sensor for 10 seconds or more.

CAUTION / NOTICE / HINT

Note

When replacing the brake actuator assembly, perform zero point calibration Click here.

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs Click here.

    2. Turn the ignition switch off.

    3. Start the engine and idle it for 60 seconds, and then stop the engine.

    4. Check if the same DTC is output Click here.

      Result
      Result Proceed to
      DTCs C1442 and/or C1443 are output A
      DTCs C1442 and C1443 are not output B

    A

    REPLACE YAW RATE SENSOR (AIRBAG SENSOR ASSEMBLY) Click here

    B

    USE SIMULATION METHOD TO CHECK Click here