ELECTRIC POWER CONTROL SYSTEM, Diagnostic DTC:B22B6, B22B7, B22B8, B22BA, B22BC, B22BD

DTC Code DTC Name
B22B6 Communication Error with ECM / PCM "A" (Generate Voltage Data of Alternator)
B22B7 Communication Error with ECM / PCM "A" (Generate Rate Data of Alternator)
B22B8 Communication Error with ECM / PCM "A" (Charge Mode Data)
B22BA Communication Error with ECM / PCM "A" (Engine Speed Data)
B22BC Communication Error with ECM / PCM "A" (Intake-Air Temperature Data)
B22BD Communication Error with ECM / PCM "A" (Coolant Temperature Data)

DESCRIPTION

The electric power control ECU receives engine related signals from the ECM via CAN communication.

DTC Code DTC Detection Condition Trouble Area
B22B6 CAN communication data reception malfunction

  • Passenger side junction block (Electric power control ECU)

  • CAN communication system

  • ECM
B22B7 CAN communication data reception malfunction

  • Passenger side junction block (Electric power control ECU)

  • CAN communication system

  • ECM
B22B8 CAN communication data reception malfunction

  • Passenger side junction block (Electric power control ECU)

  • CAN communication system

  • ECM
B22BA CAN communication data reception malfunction

  • Passenger side junction block (Electric power control ECU)

  • CAN communication system

  • ECM
B22BC CAN communication data reception malfunction

  • Passenger side junction block (Electric power control ECU)

  • CAN communication system

  • ECM
B22BD CAN communication data reception malfunction

  • Passenger side junction block (Electric power control ECU)

  • CAN communication system

  • ECM

WIRING DIAGRAM

A001FY3E01
*1 CAN Line
*2 Electric Power Control ECU
*3 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 1UR-FE) B
      DTC is output (for 1UR-FSE) C

    A

    END

    B

    REPLACE ECM Click here

    C

    REPLACE ECM Click here