Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM100000001SAI5
Model Year Start: 2021 Model: Camry Prod Date Range: [10/2020 -           ]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM (w/ Electric Parking Brake System): ABS Warning Light Remains ON; 2021 - 2024 MY Camry [10/2020 -        ]

ABS Warning Light Remains ON

DESCRIPTION

This procedure is for troubleshooting when the ABS warning light remains on but no DTCs are output.

The skid control ECU (brake actuator assembly) controls the ABS warning light in the combination meter assembly via CAN communication.

CAUTION / NOTICE / HINT

NOTICE:

  • After replacing the skid control ECU (brake actuator assembly), perform acceleration sensor zero point calibration and system information memorization.

    Click here 2021 MY Camry [10/2020 - 08/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM (w/ Electric Parking Brake System): CALIBRATION 2022 - 2024 MY Camry [08/2021 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM (w/ Electric Parking Brake System): CALIBRATION

  • Before performing this procedure, depress the brake pedal and confirm that the stop lights illuminate.

PROCEDURE

1.

CHECK VEHICLE CONTROL HISTORY (RoB) (VEHICLE STABILITY CONTROL SYSTEM AND ELECTRIC PARKING BRAKE SYSTEM)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Enter the following menus: Chassis / Brake/EPB / Utility / Vehicle Control History (RoB).

(d) Using the Techstream, check for Vehicle Control History (RoB).

Click here 2021 - 2024 MY Camry [10/2020 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM (w/ Electric Parking Brake System): VEHICLE CONTROL HISTORY (RoB)

Chassis > Brake > Utility

Tester Display

Vehicle Control History (RoB)

HINT:

If vehicle control history (RoB) is stored when the vehicle stability control system and electric parking brake system are suspended, the ABS warning light illuminates.

Result

Proceed to

There is no vehicle control history (RoB) for when the vehicle stability control system and electric parking brake system were suspended.

A

There is vehicle control history (RoB) for when the vehicle stability control system and/or electric parking brake system were suspended.

B

B

PERFORM TROUBLESHOOTING AND REPAIR REGARDING VEHICLE CONTROL HISTORY (RoB)

NOTICE:

After performing troubleshooting and repair regarding vehicle control history (RoB), clear the vehicle control history (RoB).

A

2.

INSPECT COMBINATION METER ASSEMBLY

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Enter the following menus: Body Electrical / Combination Meter / Active Test.

(d) Perform the Active Test of the combination meter assembly using the Techstream.

Click here 2021 - 2024 MY Camry [10/2020 -        ]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: DATA LIST / ACTIVE TEST

Body Electrical > Combination Meter > Active Test

Tester Display

ABS Warning

(e) Check the combination meter assembly.

OK:

The ABS warning light turns on or off in accordance with Techstream operation.

OK

REPLACE BRAKE ACTUATOR ASSEMBLY

NG

INSPECT METER / GAUGE SYSTEM