LANE-KEEPING ASSIST SYSTEM, Diagnostic DTC:C1A45

DTC Code DTC Name
C1A45 Vehicle Speed Sensor

DESCRIPTION

The driving support ECU receives vehicle speed signals from the skid control ECU via the CAN communication line to control the lane-keeping assist system. When the driving support ECU receives information that there is a malfunction in the vehicle speed sensor, DTC C1A45 is output.

DTC Code DTC Detection Condition Trouble Area
C1A45 When vehicle speed is 50 km/h (31 mph) or more with lane-keeping assist switch ON, malfunction in vehicle speed sensor is received from skid control ECU

  • Wheel speed sensor

  • Skid control ECU

  • CAN communication system

  • Driving support ECU

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK FOR DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      DTC C0200/31, C0205/32, C0210/33 or C0215/34 is not output.

    NG

    GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM Click here

    OK

    REPLACE DRIVING SUPPORT ECU Click here