Dtc C1Ab8 Destination Information Undefined


DESCRIPTION

INSPECTION PROCEDURE

CHECK DTC (CAN COMMUNICATION SYSTEM)

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

CHECK 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 Code
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:
When checking for DTCs, make sure that the blind spot monitor main switch assembly (multi-function switch) is on.
1.CHECK DTC (CAN COMMUNICATION SYSTEM)

  1. Check for CAN Communication System DTCs.

    1. for LHD with Entry and Start System: LandCruiser RM000001RSO0C5X.html
    2. for LHD without Entry and Start System: LandCruiser RM000001RSO0BYX.html
    3. for RHD with Entry and Start System: LandCruiser RM000001RSO0BZX.html
    4. for RHD without Entry and Start System: LandCruiser RM000001RSO0C0X.html
    Result
    Result
    		Proceed to
    OK
    		A
    NG (for LHD with Entry and Start System)
    		B
    NG (for LHD without Entry and Start System)
    		C
    NG (for RHD with Entry and Start System)
    		D
    NG (for RHD without Entry and Start System)
    		E


B
GO TO CAN COMMUNICATION SYSTEM (LandCruiser RM000001RSO0C5X.html)

C
GO TO CAN COMMUNICATION SYSTEM (LandCruiser RM000001RSO0BYX.html)

D
GO TO CAN COMMUNICATION SYSTEM (LandCruiser RM000001RSO0BZX.html)

E
GO TO CAN COMMUNICATION SYSTEM (LandCruiser RM000001RSO0C0X.html)
A


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

  1. Replace the main body ECU (multiplex network body ECU) with a new or normally functioning one.


NEXT


3.CHECK DTC

  1. Recheck for DTCs and check if the same DTC is output again (LandCruiser RM000004RS201SX.html).

    Result
    Result
    		Proceed to
    No DTC is output
    		A
    DTC is output from the blind spot monitor sensor LH (master)
    		B
    DTC is output from the blind spot monitor sensor RH (slave)
    		C



B
REPLACE BLIND SPOT MONITOR SENSOR LH (LandCruiser RM00000470F01GX.html)

C
REPLACE BLIND SPOT MONITOR SENSOR RH (LandCruiser RM00000470F01GX.html)
A

END (MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] IS DEFECTIVE)