Dtc C1Ab8 Destination Information Undefined

Audio Visual Telematics. Land Cruiser. Urj200, 202 Grj200 Vdj200
Park Assist Monitoring. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

INSPECTION PROCEDURE

CHECK FOR DTC

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

RECHECK DTC

DTC 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 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).
  1. CAN communication system
  2. Main body ECU (multiplex network body ECU)
  3. Blind spot monitor sensor LH
  4. Blind spot monitor sensor RH

INSPECTION PROCEDURE

NOTICE:
  1. When checking for DTCs, make sure that the blind spot monitor main switch (steering pad switch assembly [multi-function switch]) is on.
  2. If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin.
1.CHECK FOR DTC

  1. Check for CAN communication system DTCs (Click here).

    Result
    Result
    		Proceed to
    CAN communication system DTCs are not output.
    		A
    CAN communication system DTCs are output. (for LHD)
    		B
    CAN communication system DTCs are output. (for RHD)
    		C



B
GO TO CAN COMMUNICATION SYSTEM (Click here)

C
GO TO CAN COMMUNICATION SYSTEM (Click here)
A


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

  1. Replace the main body ECU (multiplex network body ECU).

    1. for LHD : Click here
    2. for RHD : Click here

NEXT


3.RECHECK DTC

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

    Result
    Result
    		Proceed to
    No DTCs are output.
    		A
    DTC C1AB8 is output ("Blind Spot Monitor Master").
    		B
    DTC C1AB8 is output ("Blind Spot Monitor Slave").
    		C



B
REPLACE BLIND SPOT MONITOR SENSOR LH (Click here)

C
REPLACE BLIND SPOT MONITOR SENSOR RH (Click here)
A

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