ELECTRIC PARKING BRAKE SYSTEM, Diagnostic DTC:C1245/62

DTC Code DTC Name
C1245/62 Deceleration Sensor

DESCRIPTION

The yaw rate sensor has a built-in G sensor. The electric parking brake ECU receives vehicle tilt information from the yaw rate sensor via CAN communication.

DTC Code DTC Detection Condition Trouble Area
C1245/62

One of the following conditions is met:


  • The G sensor signal exceeds the specified range.

  • The calculated offset of the G sensor signal is out of the specified range.

  • The G sensor internal test failed.

 Yaw rate sensor

INSPECTION PROCEDURE

Note


  • Before performing work, turn the ignition switch off and wait approximately 20 seconds to make sure that the parking brake cannot operate.

  • When replacing the parking brake with bracket actuator assembly and/or yaw rate sensor, perform zero point calibration Click here.

PROCEDURE


  1. CHECK DTC (VEHICLE STABILITY CONTROL SYSTEM)


    1. Check if a yaw rate sensor malfunction DTC is output for the vehicle stability control system Click here.

      Result
      Result Proceed to
      DTC is not output. A
      DTC is output. B

    B

    GO TO VEHICLE STABILITY CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Click here

    A

  2. RECONFIRM DTC


    1. Clear the DTCs Click here.

    2. Drive the vehicle at a speed of 20 km/h (12 mph) or more for 2 minutes or more.

    3. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC is output. A
      DTC is not output. B

    B

    USE SIMULATION METHOD TO CHECK Click here

    A

    REPLACE YAW RATE SENSOR Click here