Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Front Camera Module Beam Axis Not Adjusted (C1AA9)

DESCRIPTION

If forward recognition camera adjustment is not performed after installing the forward recognition camera, DTC C1AA9 is stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AA9

Front Camera Module Beam Axis Not Adjusted

2 seconds after the power switch is turned on (IG), the forward recognition camera detects that forward recognition camera adjustment has not been completed.

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 adjustment.

    Click here

PROCEDURE

1.

PERFORM FORWARD RECOGNITION CAMERA ADJUSTMENT

(a) Perform forward recognition camera adjustment.

Click here

NEXT

2.

CHECK FOR DTCs

(a) Clear the DTCs.

Chassis > LKA/LDA > Clear DTCs

(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.

Chassis > LKA/LDA > Trouble Codes

Result

Proceed to

DTC C1AA9 is not output

A

DTC C1AA9 is output

B

A

END

B

REPLACE FORWARD RECOGNITION CAMERA

    Yaw Rate Sensor Zero Point Malfunction (C1AA6)

    FCM Destination Information Uninitialized (C1AAA)

    See More:

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