DESCRIPTION
When the forward recognition camera is replaced with a new one, the new forward recognition camera attempts to store country specification information received from the main body ECU (multiplex network body ECU) and ECM. If the country specification information stored in the forward recognition camera is different from that stored in the main body ECU (multiplex network body ECU) or ECM, DTC C1AA1 is stored.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
C1AA1 |
FCM Destination Information Unmatched |
3 seconds after the ignition switch is turned to ON, destination information stored in the forward recognition camera and that received from the main body ECU (multiplex network body ECU) or ECM do not match for 5 seconds or more. |
|
CAUTION / NOTICE / HINT
NOTICE:
Click here
HINT:
This DTC is stored when the destination information stored in the forward recognition camera and that stored in the main body ECU (multiplex network body ECU) do not match. 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.
PROCEDURE
1. |
CHECK FOR DTCs (CAN COMMUNICATION DTC OUTPUT) |
HINT:
The forward recognition camera communicates with the main body ECU (multiplex network body ECU) via CAN communication. Confirm that the CAN communication system is functioning normally before proceeding.
(a) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
DTC U0142 is not output |
A |
DTC U0142 is output |
B |
B |
GO TO CAN COMMUNICATION SYSTEM |
|
2. |
CHECK FOR DTCs (FORWARD RECOGNITION CAMERA SYSTEM) |
(a) Clear the DTCs.
Click here
(b) Make sure that the DTC detection conditions are met.
HINT:
If the conditions are not met, the system cannot detect the malfunction.
(c) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
DTC C1AA1 is not output |
A |
DTC C1AA1 is output |
B |
A |
USE SIMULATION METHOD TO CHECK |
|
3. |
REPLACE FORWARD RECOGNITION CAMERA |
(a) Replace the forward recognition camera.
Click here
(b) Perform forward recognition camera axis adjustment.
Click here
|
4. |
CHECK FOR DTCs (FORWARD RECOGNITION CAMERA SYSTEM) |
(a) Clear the DTCs.
Click here
(b) Make sure that the DTC detection conditions are met.
HINT:
If the conditions are not met, the system cannot detect the malfunction.
(c) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
DTC C1AA1 is not output |
A |
DTC C1AA1 is output |
B |
A |
END (FORWARD RECOGNITION CAMERA WAS DEFECTIVE) |
B |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
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