Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001D2LC
Model Year Start: 2019 Model: GR Corolla Prod Date Range: [06/2018 - 09/2022]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): Brake Warning Light does not Come ON; 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]

Brake Warning Light does not Come ON

DESCRIPTION

The skid control ECU (brake actuator assembly) controls the brake warning light / red (malfunction) 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 store system information memorization.

Click here 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): UTILITY

PROCEDURE

1.

INSPECT COMBINATION METER ASSEMBLY

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(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 2019 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 01/2019]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (for Gasoline Model): DATA LIST / ACTIVE TEST 2020 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 03/2019]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (for Gasoline Model): DATA LIST / ACTIVE TEST 2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [03/2019 - 09/2022]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (for Gasoline Model): DATA LIST / ACTIVE TEST

Body Electrical > Combination Meter > Active Test

Tester Display

Brake Warning

(e) Check the combination meter assembly.

OK:

The brake warning light / red (malfunction) turns on or off in accordance with Techstream operation.

OK

REPLACE BRAKE ACTUATOR ASSEMBLY 2019 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 01/2019]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: BRAKE ACTUATOR (for Gasoline Model): REMOVAL 2020 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 03/2019]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: BRAKE ACTUATOR (for Gasoline Model): REMOVAL 2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [03/2019 - 09/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: BRAKE ACTUATOR (for Gasoline Model): REMOVAL

NG

INSPECT METER / GAUGE SYSTEM