ELECTRIC POWER CONTROL SYSTEM, Diagnostic DTC:B22BB

DTC Code DTC Name
B22BB Communication Error with Brake System Control Module (Vehicle Speed Data)

DESCRIPTION

The electric power control ECU receives vehicle speed signals from the skid control ECU via CAN communication.

DTC Code DTC Detection Condition Trouble Area
B22BB CAN communication data reception malfunction

  • Passenger side junction block (Electric power control ECU)

  • CAN communication system

  • Skid control ECU

WIRING DIAGRAM

A001FY3E02
*1 CAN Line
*2 Skid Control ECU
*3 Electric Power Control ECU
*4 Passenger Side Junction Block

PROCEDURE


  1. CHECK FOR DTC (CAN COMMUNICATION SYSTEM)


    1. Check for DTCs related to the CAN communication system for LHD (see page ) or RHD Click here.

      Result
      Result Proceed to
      DTC is not output A
      DTC is output (for LHD) B
      DTC is output (for RHD) C

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  2. CHECK FOR DTC


    1. Delete the DTC Click here.

    2. Check for the DTC again Click here.

      Result
      Result Proceed to
      DTC is not output A
      DTC is output (for LHD) B
      DTC is output (for RHD) C

    A

    END

    B

    REPLACE SKID CONTROL ECU ASSEMBLY Click here

    C

    REPLACE SKID CONTROL ECU ASSEMBLY Click here