BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:C1AB8

DTC Code DTC Name
C1AB8 Destination Information Undefined

DESCRIPTION

This DTC is stored when correct destination information is not sent from the main body ECU (multiplex network body ECU) and destination information cannot be confirmed after a blind spot monitor sensor has been replaced.

DTC No. DTC Detection Condition Trouble Area
C1AB8 The blind spot monitor sensor cannot communicate with the main body ECU (multiplex network body ECU).

  • CAN communication system

  • Main body ECU (multiplex network body ECU)

  • Blind spot monitor sensor RH

  • Blind spot monitor sensor LH

INSPECTION PROCEDURE

Note


  • When checking for DTCs, make sure that the blind spot monitor main switch (warning canceling switch assembly) is on.

  • When replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.

PROCEDURE


  1. CHECK DTC


    1. Check for CAN communication system DTCs Click here.

      OK
      CAN communication system DTCs are not output.

    NG

    GO TO CAN COMMUNICATION SYSTEM Click here

    OK

  2. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)


    1. Replace the main body ECU (multiplex network body ECU) with a new or known good one Click here.


    NEXT

  3. RECHECK DTC


    1. Recheck for DTCs and check if the same DTC is output again Click here.

      Result
      Result Proceed to
      No DTCs are output. A
      DTC is output from the blind spot monitor sensor RH (Master). B
      DTC is output from the blind spot monitor sensor LH (Slave). C

    B

    REPLACE BLIND SPOT MONITOR SENSOR RH Click here

    C

    REPLACE BLIND SPOT MONITOR SENSOR LH Click here

    A

    END (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) WAS DEFECTIVE)