LANE DEPARTURE ALERT SYSTEM(w/ Steering Control), Diagnostic DTC:C1A47

DTC Code DTC Name
C1A47 Steering Angle Sensor

DESCRIPTION

The forward recognition camera receives steering angle information from the steering angle sensor (spiral cable sub-assembly). If the forward recognition camera detects a steering angle sensor (spiral cable sub-assembly), DTC C1A47 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1A47 Steering Angle Sensor When the vehicle is being driven at a speed of 5 km/h (3 mph) or more 2 seconds after the ignition switch is turned ON, a signal from the steering angle sensor (spiral cable sub-assembly) indicating that there is a steering angle sensor malfunction is detected by the forward recognition camera for 5 seconds or more.

  • Vehicle stability control system

  • Steering angle sensor (spiral cable sub-assembly)

  • Forward recognition camera

CAUTION / NOTICE / HINT

Note


  • When replacing the forward recognition camera, always replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle. As a result, a DTC may be stored.

  • If the forward recognition camera has been replaced with a new one, be sure to perform forward recognition camera learning.

    Click here

  • First check the CAN communication system by following How to Proceed with Troubleshooting. After checking that there are no malfunctions in the CAN communication system, proceed with troubleshooting.

    Click here

PROCEDURE


  1. CHECK DTC OUTPUT (VEHICLE STABILITY CONTROL SYSTEM)

    Tech Tips

    If the steering angle sensor is malfunctioning, DTCs for the vehicle stability control system will be stored. Troubleshoot the vehicle stability control system first.


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Chassis / ABS/VSC/TRC/EPB / Trouble Codes.

    5. Check for DTCs.

      Click here


      Chassis > ABS/VSC/TRC/EPB > Trouble Codes
      Result
      Result Proceed to
      Vehicle stability control system DTCs are not output A
      Vehicle stability control system DTCs are output B

    B

    GO TO VEHICLE STABILITY CONTROL SYSTEM Click here

    A

  2. CHECK DTC OUTPUT


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Chassis / LKA/LDA / Trouble Codes.

    5. Clear the DTCs.

      Click here


      Chassis > LKA/LDA > Clear DTCs

    6. Make sure that the DTC detection conditions are met.

      Tech Tips

      If the following procedure is not performed, the previously output DTC cannot be detected.


      1. Turn the ignition switch to ON and wait 7 seconds or more.

      2. Drive the vehicle at a speed of 5 km/h (3 mph) or more.

    7. Check for DTCs.

      Click here


      Chassis > LKA/LDA > Trouble Codes
      Result
      Result Proceed to
      DTC C1A47 is output A
      DTC C1A47 is not output B

    B

    USE SIMULATION METHOD TO CHECK Click here

    A

  3. REPLACE FORWARD RECOGNITION CAMERA


    1. Replace the forward recognition camera.

      Click here

    2. Adjust the forward recognition camera.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  4. CHECK DTC OUTPUT


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Chassis / LKA/LDA / Trouble Codes.

    5. Clear the DTCs.

      Click here


      Chassis > LKA/LDA > Clear DTCs

    6. Make sure that the DTC detection conditions are met.

      Tech Tips

      If the following procedure is not performed, the previously output DTC cannot be detected.


      1. Turn the ignition switch to ON and wait 7 seconds or more.

      2. Drive the vehicle at a speed of 5 km/h (3 mph) or more.

    7. Check for DTCs.

      Click here


      Chassis > LKA/LDA > Trouble Codes
      Result
      Result Proceed to
      DTC C1A47 is output A
      DTC C1A47 is not output B

    A

    REPLACE STEERING ANGLE SENSOR (SPIRAL CABLE SUB-ASSEMBLY) Click here

    B

    END (FORWARD RECOGNITION CAMERA WAS DEFECTIVE)