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 country specification 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 DTC OUTPUT (CAN COMMUNICATION DTC OUTPUT) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / LKA/LDA / Trouble Codes.
(e) 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 DTC OUTPUT |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / LKA/LDA / Trouble Codes.
(e) Clear the DTCs.
Click here
(f) Make sure that the DTC detection conditions are met.
HINT:
If the following procedure is not performed, the previously output DTC cannot be detected.
(g) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
DTC C1AA1 is output |
A |
DTC C1AA1 is not output |
B |
B |
USE SIMULATION METHOD TO CHECK |
|
3. |
REPLACE FORWARD RECOGNITION CAMERA |
(a) Replace the forward recognition camera.
Click here
(b) Adjust the forward recognition camera.
Click here
|
4. |
CHECK DTC OUTPUT |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / LKA/LDA / Trouble Codes.
(e) Clear the DTCs.
Click here
(f) Make sure that the DTC detection conditions are met.
HINT:
If the following procedure is not performed, the previously output DTC cannot be detected.
(g) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
DTC C1AA1 is output |
A |
DTC C1AA1 is not output |
B |
A |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
B |
END (FORWARD RECOGNITION CAMERA WAS DEFECTIVE) |
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PROCEDURE
1.
CHECK IMAGE QUALITY SETTING
(a) Display the "Display" screen.
(b) Turn the light control switch to the tail or head position.
(c) Check if "Day Mode" on the display adjustment screen is on.
OK:
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Never jack up / lift up a heavily loaded vehicle.
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DTC CHECK / CLEAR
1. CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Smart Access or Main Body /
Trouble Codes.
(e) Check the details of the DTC(s) (See page
).
2. CLEAR DTC ...