Toyota Tacoma (2015-2018) Service Manual: Front Camera Module Incorrect Axial Gap (C1AA8,C1AA9)
DESCRIPTION
If the forward recognition camera detects that the forward recognition camera axis has deviated, DTC C1AA8 is stored. Also, if Forward Recognition Camera Axis Adjustment is not performed after installing the forward recognition camera, DTC C1AA9 is stored.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
C1AA8 |
Front Camera Module Incorrect Axial Gap |
After the ignition switch is turned to ON for 3 seconds or more and the forward recognition camera detects forward recognition camera axis deviated. |
|
|
C1AA9 |
Front Camera Module Beam Axis Not Adjusted |
After the ignition switch is turned to ON for 3 seconds or more, when the vehicle is being driven at a speed of 1 km/h (1 mph) or more, the forward recognition camera detects that forward recognition camera adjustment has not been completed for 5 seconds or more. |
Forward recognition camera |
CAUTION / NOTICE / HINT
NOTICE:
- 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.
- If the forward recognition camera has been replaced with a new one,
be sure to perform Forward Recognition Camera Axis Adjustment.
Click here
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PROCEDURE
|
1. |
CHECK FOR DTCs (FORWARD RECOGNITION CAMERA SYSTEM) |
(a) Check if the stored DTCs are current DTCs.
(b) Check for DTCs.
Click here
|
Result |
Proceed to |
|---|---|
|
Current DTC C1AA8 is output |
A |
|
Current DTC C1AA9 is output |
B |
|
History DTC C1AA8 is output |
C |
| B | .gif) |
GO TO STEP 11 |
| C | |
GO TO STEP 13 |
|
.gif)
|
2. |
CHECK VEHICLE CONDITION |
(a) Check the operating conditions of the vehicle.
HINT:
DTC C1AA8 may be stored if the forward recognition camera optical axis is temporarily misaligned due to the vehicle being overloaded.
|
Result |
Proceed to |
|---|---|
|
Vehicle is not overloaded or being towed |
A |
|
Vehicle is overloaded or being towed |
B |
| B | |
GO TO STEP 9 |
|
|
3. |
CHECK WHEEL ALIGNMENT |
(a) Check the front wheel alignment (toe).
Click here
HINT:
DTC C1AA8 may be stored if the forward recognition camera optical axis is misaligned due to incorrect wheel alignment (toe).
|
Result |
Proceed to |
|---|---|
|
Front wheel is misaligned (toe) |
A |
|
Front wheel is not misaligned (toe) |
B |
| B | |
GO TO STEP 7 |
|
|
4. |
ADJUST WHEEL ALIGNMENT |
(a) Adjust the alignment (toe) of the wheels.
Click here
|
|
5. |
PERFORM FORWARD RECOGNITION CAMERA OPTICAL AXIS ADJUSTMENT |
(a) Perform Recognition Camera/Target Position Memory and Recognition Camera Axis Adjust.
Click here
|
|
6. |
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 C1AA8 is not output |
A |
|
DTC C1AA8 is output |
B |
| A | |
END |
| B | |
REPLACE FORWARD RECOGNITION CAMERA |
|
7. |
CHECK FORWARD RECOGNITION CAMERA INSTALLATION |
(a) Check the installation condition of the forward recognition camera.
Click here
HINT:
If the forward recognition camera bracket is deformed or misaligned, replace the windshield glass.
OK:
No deformation or misalignment in the forward recognition camera bracket.
| OK | |
GO TO STEP 5 |
|
|
8. |
REPLACE WINDSHIELD GLASS |
(a) Replace the windshield glass.
Click here
| NEXT | |
GO TO STEP 5 |
|
9. |
PERFORM FORWARD RECOGNITION CAMERA OPTICAL AXIS ADJUSTMENT |
(a) Return the vehicle to normal operating conditions.
(b) Perform Recognition Camera/Target Position Memory and Recognition Camera Axis Adjust.
Click here
|
|
10. |
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 C1AA8 is not output |
A |
|
DTC C1AA8 is output |
B |
| A | |
END |
| B | |
GO TO STEP 3 |
|
11. |
PERFORM FORWARD RECOGNITION CAMERA OPTICAL AXIS ADJUSTMENT |
(a) Perform Recognition Camera/Target Position Memory and Recognition Camera Axis Adjust.
Click here
|
|
12. |
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 C1AA9 is not output |
A |
|
DTC C1AA9 is output |
B |
| A | |
END |
| B | |
REPLACE FORWARD RECOGNITION CAMERA |
|
13. |
CLEAR DTCs |
(a) Check for DTCs related to the forward recognition camera.
HINT:
If only history DTCs are stored, they may have been stored due to a temporarily condition such as overloading of the vehicle, and the system returned to normal when Recognition Camera/Target Position Memory and Recognition Camera Axis Adjust was performed.
(b) Clear the DTCs.
Click here
| NEXT | |
END |
Heater Circuit (C1AAE)
DESCRIPTION
The forward recognition camera controls the current supplied to the camera heater
(forward recognition hood).
If the forward recognition camera detects a malfunction in the camera heat ...
FCM Destination Information Uninitialized (C1AAA)
DESCRIPTION
When the forward recognition camera is replaced with a new one, the new forward
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from the main body ...
Other materials:
Adjustment
ADJUSTMENT
PROCEDURE
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WS.
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COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT MAIN SWITCH ASSEMBLY
(a) Check the main switch assembly.
(1) Measure the resistance according to the value(s) in the table below.
Text in Illustration
*a
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DESCRIPTION
The main body ECU (multiplex network body ECU) controls the low beam headlights.
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CAUTION / NOTICE / HINT
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