Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM1000000014509
Model Year Start: 2018 Model: Camry Prod Date Range: [03/2017 - 06/2017]
Title: CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM (w/ Steering Control): C1AAC; Vehicle Information Unmatched; 2018 MY Camry [03/2017 - 06/2017]

DTC

C1AAC

Vehicle Information Unmatched

DESCRIPTION

When the forward recognition camera is replaced with a new one, the new forward recognition camera attempts to store the vehicle information received from the ECM. If the vehicle information stored in the forward recognition camera is different from that stored in the ECM, DTC C1AAC is stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AAC

Vehicle Information Unmatched

After the ignition switch is turned to ON for 3 seconds or more, the vehicle information received from the ECM and that stored in the forward recognition camera do not match for 5 seconds or more.

  • SFI system
  • 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 2018 - 2020 MY Camry [03/2017 - 10/2020]; CRUISE CONTROL: FRONT CAMERA: ADJUSTMENT (SEQUENTIAL RECOGNITION)

PROCEDURE

1.

CHECK FOR DTCs (SFI SYSTEM)

HINT:

If DTC C1AAC is stored, the SFI system may be malfunctioning. Check for DTCs related to the SFI system first.

(a) Check for DTCs.

Powertrain > Engine > Trouble Codes

Result

Proceed to

SFI system DTCs are not output

A

SFI system DTCs are output

B

B

GO TO SFI SYSTEM

A

2.

CHECK FOR DTCs (LANE DEPARTURE ALERT SYSTEM)

(a) Clear the DTCs.

Chassis > LKA/LDA > Clear DTCs

(b) Perform the following procedure.

HINT:

If the following procedure is not performed, the previously output DTC cannot be detected.

  1. Turn the ignition switch to ON and wait 8 seconds or more.

(c) Check for DTCs.

Chassis > LKA/LDA > Trouble Codes

Result

Proceed to

DTC C1AAC is not output

A

DTC C1AAC is output

B

A

USE SIMULATION METHOD TO CHECK

B

REPLACE FORWARD RECOGNITION CAMERA