LANE DEPARTURE ALERT SYSTEM(w/ Steering Control), Diagnostic DTC:C1A48

DTC Code DTC Name
C1A48 G Sensor

DESCRIPTION

This DTC is stored when the lane departure warning camera receives a G sensor malfunction signal from the airbag ECU assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1A48 G Sensor

  • 2 seconds elapse after turning the engine switch on (IG).

  • The IG voltage is 10 V or higher.

  • 2 seconds elapse after the IG voltage is 10 V or higher.

  • When the engine switch is on (IG) and a G sensor malfunction signal is continuously received for 5 seconds or more.

  • Airbag system

  • Airbag ECU assembly

  • Lane departure warning camera

CAUTION / NOTICE / HINT

Note


  • When the lane departure warning camera is replaced with a new one or it is removed, adjustment of the lane departure warning camera axis must be performed.

    Click here

  • The lane departure alert system uses the CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the lane departure alert system after confirming that the communication systems are functioning properly.

    for LHD: Click here

    for RHD: Click here

  • The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System.

    Click here

PROCEDURE


  1. CHECK FOR DTCs (AIRBAG SYSTEM)


    1. Clear the DTCs.

      Click here


      Body Electrical > SRS Airbag > Clear DTCs

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

      Tech Tips

      If the detection conditions are not met, the system cannot detect the malfunction.

    3. Check for DTCs.

      Click here


      Body Electrical > SRS Airbag > Trouble Codes
      Result
      Result Proceed to
      Airbag System DTCs are not output A
      Airbag System DTCs are output B

    B

    GO TO AIRBAG SYSTEM Click here

    A

  2. CHECK FOR DTCs


    1. Clear the DTCs.

      Click here


      Chassis > Lane Departure Alert > Clear DTCs

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

      Tech Tips

      If the detection conditions are not met, the system cannot detect the malfunction.

    3. Check for DTCs.

      Click here


      Chassis > Lane Departure Alert > Trouble Codes
      Result
      Result Proceed to
      DTC C1A48 is not output A
      DTC C1A48 is output B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

  3. REPLACE LANE DEPARTURE WARNING CAMERA


    1. Replace the lane departure warning camera.

      Click here

    2. Perform the lane departure warning camera adjustment.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  4. CHECK FOR DTCs


    1. Clear the DTCs.

      Click here


      Chassis > Lane Departure Alert > Clear DTCs

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

      Tech Tips

      If the detection conditions are not met, the system cannot detect the malfunction.

    3. Check for DTCs.

      Click here


      Chassis > Lane Departure Alert > Trouble Codes
      Result
      Result Proceed to
      DTC C1A48 is not output A
      DTC C1A48 is output B

    A

    END (LANE DEPARTURE WARNING CAMERA WAS DEFECTIVE)

    B

    REPLACE AIRBAG ECU ASSEMBLY Click here