Operation CHARM: Car repair manuals for everyone.

Lane Departure Alert System





CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM: C1A22, C1A23: Object Recognition Camera Incorrect Axial Gap
C1A23 - Object Recognition Camera Initialization Incomplete

DESCRIPTION

If the driving support ECU determines that the lane recognition camera sensor assembly axis has deviated, DTC C1A22 is stored. Also, if the camera sensor beam axis adjustment is not performed after installing the lane recognition camera sensor assembly, DTC C1A23 is stored.





INSPECTION PROCEDURE

PROCEDURE

1. ADJUST LANE RECOGNITION CAMERA SENSOR ASSEMBLY

(a) Adjust the lane recognition camera sensor assembly Adjustments.

NEXT -- Continue to next step.

2. CHECK FOR DTC

(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(b) Perform the following to make sure the DTC detection conditions are met.

HINT
If the detection conditions are not met, the system cannot detect the malfunction.

(1) Drive the vehicle at a speed of 50 km/h (30 mph) or more and operate the lane departure alert system.

(c) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.

OK:

DTC C1A22 or C1A23 is not output.

NG -- REPLACE LANE RECOGNITION CAMERA SENSOR ASSEMBLY

OK -- END

3. REPLACE LANE RECOGNITION CAMERA SENSOR ASSEMBLY

(a) Replace the lane recognition camera sensor assembly Removal.

NEXT -- Continue to next step.

4. ADJUST LANE RECOGNITION CAMERA SENSOR ASSEMBLY

(a) Adjust the lane recognition camera sensor assembly Adjustments.

NEXT -- Continue to next step.

5. CHECK FOR DTC

(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(b) Perform the following to make sure the DTC detection conditions are met.

HINT
If the detection conditions are not met, the system cannot detect the malfunction.

(1) Drive the vehicle at a speed of 50 km/h (30 mph) or more and operate the lane departure alert system.

(c) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.

OK:

DTC C1A22 or C1A23 is not output.

NG -- REPLACE DRIVING SUPPORT ECU Removal

OK -- END (LANE RECOGNITION CAMERA SENSOR ASSEMBLY IS DEFECTIVE)