DESCRIPTION
The millimeter wave radar sensor assembly receives information about the area in front of the vehicle from the forward recognition camera.
If the millimeter wave radar sensor assembly detects a malfunction in the forward recognition camera, it stores DTC C1AA0.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
C1AA0 |
Front Camera Module Circuit |
While the ignition switch to ON, the forward recognition camera detects an internal malfunction for approximately 0.3 seconds or more. |
|
CAUTION / NOTICE / HINT
NOTICE:
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Click here
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PROCEDURE
1. |
CHECK FOR DTCs (FORWARD RECOGNITION CAMERA SYSTEM) |
HINT:
Pre-collision system DTC C1AA0 may be stored due to a malfunction in the forward recognition camera system. Therefore, it is necessary to check for and troubleshoot forward recognition camera system DTCs first.
(a) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
Forward recognition camera system DTCs are not output |
A |
Forward recognition camera system DTCs are output |
B |
B | ![]() |
GO TO FORWARD RECOGNITION CAMERA SYSTEM |
|
2. |
CHECK FOR DTCs (PRE-COLLISION SYSTEM) |
(a) Clear the DTCs.
Click here
(b) Make sure that the DTC detection conditions are met.
HINT:
If the detection conditions are not met, the system cannot detect the malfunction.
(c) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
DTC C1AA0 is not output |
A |
DTC C1AA0 is output |
B |
A | ![]() |
USE SIMULATION METHOD TO CHECK |
|
3. |
REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY |
(a) Replace the millimeter wave radar sensor assembly.
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(b) Adjust the millimeter wave radar sensor assembly.
Click here
|
4. |
CHECK FOR DTCs (PRE-COLLISION SYSTEM) |
(a) Clear the DTCs.
Click here
(b) Make sure that the DTC detection conditions are met.
HINT:
If the detection conditions are not met, the system cannot detect the malfunction.
(c) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
DTC C1AA0 is not output |
A |
DTC C1AA0 is output |
B |
A | ![]() |
END (MILLIMETER WAVE RADAR SENSOR ASSEMBLY WAS DEFECTIVE) |
B | ![]() |
REPLACE FORWARD RECOGNITION CAMERA |
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ILLUSTRATION
*A
for TMC Made
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*1
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*2
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*3
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...
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ILLUSTRATION
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*2
REAR LOWER COIL SPRING INSULATOR
*3
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*4
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*5
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