NIGHT VIEW SYSTEM, Diagnostic DTC:B2824

DTC Code DTC Name
B2824 Driving Support ECU Received Invalid Flag

DESCRIPTION

The No. 1 night view ECU communicates with the driving support ECU assembly, the ECM and the main body ECU (driver side junction block assembly) via CAN communication. This DTC is stored when a malfunction in the communication with the driving support ECU assembly is detected.

Tech Tips

While DTCs are stored, the night view system does not operate and a warning message is displayed on the accessory meter assembly.

DTC Code DTC Detection Condition Trouble Area
B2824 The driving support ECU assembly cannot receive CAN communication signals normally.

  • CAN communication system

  • ECM

  • Main body ECU (driver side junction block assembly)

  • No. 1 night view ECU

  • Driving support ECU assembly

WIRING DIAGRAM

A01GIEDE07

INSPECTION PROCEDURE

Note


  • When the No. 1 night view ECU is replaced, perform object recognition camera (night view camera) adjustment Click here.

  • When replacing the driving support ECU, always replace it with a new one and be sure to perform initialization Click here.

PROCEDURE


  1. CHECK CAN COMMUNICATION SYSTEM


    1. Use the GTS to check if the CAN communication system is functioning normally.


      OK
      CAN communication system is functioning normally.
      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here

    OK

  2. REPLACE ECM


    1. Temporarily replace the ECM with a new one Click here.


    NEXT

  3. INITIALIZE DRIVING SUPPORT ECU ASSEMBLY


    1. Initialize the driving support ECU assembly Click here.


    NEXT

  4. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      No DTCs are output.

    NG

    REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) Click here

    OK

    END (ECM IS DEFECTIVE)

  5. REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)


    1. Temporarily replace the main body ECU (driver side junction block assembly) with a new one.


    NEXT

  6. INITIALIZE DRIVING SUPPORT ECU ASSEMBLY


    1. Initialize the driving support ECU assembly Click here.


    NEXT

  7. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      No DTCs are output.

    NG

    CHECK DRIVING SUPPORT ECU ASSEMBLY Click here

    OK

    END (MAIN BODY ECU [DRIVER SIDE JUNCTION BLOCK ASSEMBLY] IS DEFECTIVE)

  8. CHECK DRIVING SUPPORT ECU ASSEMBLY


    1. Temporarily replace the driving support ECU assembly with a new one Click here.

    2. Clear the DTCs Click here.

    3. Check for DTCs Click here.

      OK
      No DTCs are output.

    NG

    REPLACE NO. 1 NIGHT VIEW ECU Click here

    OK

    END (DRIVING SUPPORT ECU ASSEMBLY IS DEFECTIVE)