Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000027Y4G
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [11/2022 -           ]
Title: ADVANCED DRIVER ASSISTANCE SYSTEM: FRONT CAMERA SYSTEM: C00CA11; Camera "A" Heater Control Circuit Short to Ground; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]

DTC

C00CA11

Camera "A" Heater Control Circuit Short to Ground

DESCRIPTION

Forward recognition camera controls the current to the windshield glass (heater). Forward recognition camera stores DTC C00CA11 when it detects a malfunction in the drive circuit of the windshield glass (heater).

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

Priority

C00CA11

Camera "A" Heater Control Circuit Short to Ground

After 10 seconds has elapsed after the ignition switch is turned to ON, a short to ground is detected in the heater circuit of the forward recognition camera

  • Windshield glass
  • Forward recognition camera
  • Harness or connector

Front Recognition Camera

A

WIRING DIAGRAM

CAUTION / NOTICE / HINT

CAUTION:

To prevent burns due to the heat of the windshield glass (heater), do not touch the area directly.

NOTICE:

  • Inspect the fuses for circuits related to this system before performing the following procedure.
  • 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 and a DTC may be stored.
  • When the forward recognition camera has been replaced with a new one, make sure to clear all stored vehicle control history of each system and the forward recognition camera beam axis alignment data.

    HINT:

    Forward recognition camera beam axis alignment can be performed by using "One Time Recognition", "Driving Adjustment" or "Camera Axis Adjustment Value Write".

    One Time Recognition: Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; ADVANCED DRIVER ASSISTANCE SYSTEM: FRONT CAMERA: TARGET ADJUSTMENT(ONE TIME RECOGNITION)

    Driving Adjustment: Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; ADVANCED DRIVER ASSISTANCE SYSTEM: FRONT CAMERA: DRIVING ADJUSTMENT

    Camera Axis Adjustment Value Write: Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; ADVANCED DRIVER ASSISTANCE SYSTEM: FRONT CAMERA: CAMERA AXIS ADJUSTMENT VALUE WRITE

  • If the forward recognition camera has been replaced with a new one, make sure to perform Software Version Confirmation.

    Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; ADVANCED DRIVER ASSISTANCE SYSTEM: UTILITY: SOFTWARE VERSION CONFIRMATION

PROCEDURE

1.

CLEAR DTC

(a) Clear the DTCs.

Chassis > Front Recognition Camera > Clear DTCs

NEXT

2.

CHECK FOR DTCs

Pre-procedure1

(a) Turn the ignition switch to ON and wait for 10 seconds or more.

Procedure1

(b) Check for DTCs.

Chassis > Front Recognition Camera > Trouble Codes

Result

Proceed to

DTC C00CA11 is not output

A

DTC C00CA11 is output

B

Post-procedure1

(c) None.

A

USE SIMULATION METHOD TO CHECK

B

3.

CLEAR DTC

Pre-procedure1

(a) Disconnect the T23 windshield glass (heater) connector.

Procedure1

(b) Clear the DTCs.

Chassis > Front Recognition Camera > Clear DTCs

Post-procedure1

(c) None.

NEXT

4.

CHECK WINDSHIELD GLASS (HEATER)

Pre-procedure1

(a) Make sure that the DTC detection conditions are met.

HINT:

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

Procedure1

(b) Check for DTCs.

Chassis > Front Recognition Camera > Trouble Codes

Result

Proceed to

DTC C00CA11 is not output

A

DTC C00CA11 is output

B

Post-procedure1

(c) None.

A

REPLACE WINDSHIELD GLASS (HEATER)

B

5.

CHECK HARNESS AND CONNECTOR (FORWARD RECOGNITION CAMERA - WINDSHIELD GLASS (HEATER))

Pre-procedure1

(a) Disconnect the T21 forward recognition camera connector.

Procedure1

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

T21-8 (HTR) or T23-1 (IG1) - Body ground and other terminals

Always

10 kΩ or higher

Post-procedure1

(c) None.

OK

REPLACE FORWARD RECOGNITION CAMERA

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR