Toyota Camry owners & service manuals

Toyota Camry (XV70): 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

  • 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

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

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

    READ NEXT:

     ABS Warning Light does not Come ON

    DESCRIPTION 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

     Brake Warning Light Remains ON

    DESCRIPTION This procedure is for troubleshooting when the brake system warning light (red indicator) remains on but no DTCs are output. The skid control ECU (brake actuator assembly) controls the b

     Brake Warning Light does not Come ON

    DESCRIPTION The skid control ECU (brake actuator assembly) controls the brake system warning light (red indicator) in the combination meter assembly via CAN communication. CAUTION / NOTICE / HINT NO

    SEE MORE:

     Brake Pressure Sensor "A" Circuit Voltage Out of Range (C05401C,C054028,C054049)

    DESCRIPTION The master cylinder pressure sensor is connected to the skid control ECU in the brake actuator assembly. DTC No. Detection Item DTC Detection Condition Trouble Area C05401C Brake Pressure Sensor "A" Circuit Voltage Out of Range The voltage of the master

     USB charging ports

    The USB charging ports are used to supply 2.5 A (USB Type-A port) or 3.0 A (USB Type-C port) of electricity at 5 V to external devices. The USB charging ports are for charging only. They are not designed for data transfer or other purposes. Depending on the external device, it may not charge

    © 2023-2024 Copyright www.tocamry.com