Dtc C1Aaa Fcm Destination Information Uninitialized

Engine Hybrid System. Land Cruiser. Urj200, 202 Grj200 Vdj200
Cruise Control. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

INSPECTION PROCEDURE

CHECK DTC OUTPUT (CAN COMMUNICATION DTC OUTPUT)

CHECK DTC OUTPUT (ROAD SIGN ASSIST SYSTEM)

REPLACE FORWARD RECOGNITION CAMERA

CHECK DTC OUTPUT (ROAD SIGN ASSIST SYSTEM)

DTC C1AAA FCM Destination Information Uninitialized


DESCRIPTION

When the forward recognition camera is replaced with a new one, it stores the country specification information received from the main body ECU (multiplex network body ECU). If the forward recognition camera cannot store the country specification information, DTC C1AAA is stored.

DTC No.
DTC Detection Condition
Trouble Area
C1AAA
While the engine switch is on (IG), the forward recognition camera cannot store the country specification information.
  1. Main body ECU (Multiplex network body ECU)
  2. Forward recognition camera

INSPECTION PROCEDURE

NOTICE:
  1. Recognition code registration is necessary when replacing the main body ECU (multiplex network body ECU).
  2. If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin.
  3. When replacing the forward recognition camera, always replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle. As a result, a DTC may be stored.
  4. If the forward recognition camera has been replaced with a new one, be sure to perform Recognition Camera/Target Position Memory and Recognition Camera Axis Adjust (Click here).
HINT:
This DTC is stored when the forward recognition camera cannot store the country specification information received from the main body ECU (multiplex network body ECU). If the forward recognition camera or main body ECU (multiplex network body ECU) has been replaced, check if a forward recognition camera or main body ECU (multiplex network body ECU) from another vehicle was used.
1.CHECK DTC OUTPUT (CAN COMMUNICATION DTC OUTPUT)

  1. Connect the GTS to the DLC3.

  1. Turn the engine switch on (IG).

  1. Turn the GTS on.

  1. Enter the following menus: Body Electrical / Road Sign Assist / Trouble Codes.

  1. Check for DTCs (Click here).

Result
Result
Proceed to
DTC U0142 is not output
A
DTC U0142 is output
B


B
GO TO CAN COMMUNICATION SYSTEM (Click here)
A


2.CHECK DTC OUTPUT (ROAD SIGN ASSIST SYSTEM)

  1. Connect the GTS to the DLC3.

  1. Turn the engine switch on (IG).

  1. Wait for approximately 1 minute.

  1. Turn the GTS on.

  1. Enter the following menus: Body Electrical / Road Sign Assist / Trouble Codes.

  1. Check for DTCs (Click here).

Result
Result
Proceed to
DTC C1AAA is output
A
DTC C1AAA is not output
B


B
USE SIMULATION METHOD TO CHECK (Click here)
A


3.REPLACE FORWARD RECOGNITION CAMERA

  1. Replace the forward recognition camera (Click here).

  1. Adjust the forward recognition camera (Click here).


NEXT


4.CHECK DTC OUTPUT (ROAD SIGN ASSIST SYSTEM)

  1. Connect the GTS to the DLC3.

  1. Turn the engine switch on (IG).

  1. Turn the GTS on.

  1. Enter the following menus: Body Electrical / Road Sign Assist / Trouble Codes.

  1. Clear the DTCs (Click here).

  1. Wait for approximately 1 minute.

  1. Check for DTCs (Click here).

Result
Result
Proceed to
DTC C1AAA is output
A
DTC C1AAA is not output
B


B
END (FORWARD RECOGNITION CAMERA WAS DEFECTIVE)
A

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (Click here)