LANE-KEEPING ASSIST SYSTEM, Diagnostic DTC:C1A26

DTC Code DTC Name
C1A26 Lost Communication with Gigabit Video Interface

DESCRIPTION

The object recognition ECU receives video signals from the object recognition camera sensor through GVIF communication.

DTC Code DTC Detection Condition Trouble Area
C1A26 Video signal format malfunction or communication stop is detected between object recognition ECU and object recognition camera sensor for 1 second or more

  • Harness and connector

  • Object recognition camera sensor

  • Object recognition ECU

  • Driving support ECU

WIRING DIAGRAM

A01GN4UE02

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (OBJECT RECOGNITION ECU - OBJECT RECOGNITION CAMERA SENSOR)

    A01GL8CE02

    1. Disconnect the R58 ECU connector.

    2. Disconnect the X15 sensor connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance
      Tester Connection Condition Specified Condition
      R58-1 (GVIF) - X15-1 (GVIF) Always Below 1 Ω
      R58-1 (GVIF) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. CHECK OBJECT RECOGNITION CAMERA SENSOR


    1. Temporarily replace the object recognition camera sensor with a new or normally functioning one Click here.

    2. Adjust the object recognition camera sensor Click here.

    3. Clear the DTC Click here.

    4. Recheck for DTC Click here.

      OK
      C1A26 is not output

    NG

    CHECK OBJECT RECOGNITION ECU Click here

    OK

    END (OBJECT RECOGNITION CAMERA SENSOR IS DEFECTIVE)

  3. CHECK OBJECT RECOGNITION ECU


    1. Temporarily replace the object recognition ECU with a new or normally functioning one Click here.

    2. Adjust the object recognition camera sensor Click here.

    3. Clear the DTC Click here.

    4. Recheck for DTC Click here.

      OK
      C1A26 is not output

    NG

    REPLACE DRIVING SUPPORT ECU Click here

    OK

    END (OBJECT RECOGNITION ECU IS DEFECTIVE)