Toyota Camry (XV70): Brake Warning Light does not Come ON

Toyota Camry Repair Manual XV70 (2018-2024) / Brake / Brake Control / Dynamic Control Systems / Vehicle Stability Control System (w/o Electric Parking Brake System) / 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

NOTICE:

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

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PROCEDURE

1.	INSPECT COMBINATION METER ASSEMBLY

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

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

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Body Electrical > Combination Meter > Active Test

Tester Display
Brake Warning

(e) Check the combination meter assembly.

OK:

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

REPLACE BRAKE ACTUATOR ASSEMBLY

INSPECT METER / GAUGE SYSTEM

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Disassembly

DISASSEMBLY PROCEDURE 1. REMOVE BRAKE MASTER CYLINDER STRAIGHT PIN (a) Secure the brake master cylinder sub-assembly in a vise. NOTICE: Place aluminum plates on the vise to prevent damage to the brake master cylinder sub-assembly. (b) Using a 5 mm pin punch and a hammer, tap out the brake

Terminals Of Ecu

TERMINALS OF ECU TERMINALS OF ECU *a Component without harness connected (Skid Control ECU (Brake Actuator Assembly)) - - HINT: As a waterproof connector is used for the brake actuator assembly, voltage and waveform inspections cannot be performed with the connector c

Toyota Camry (XV70): Brake Warning Light does not Come ON

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Disassembly

Terminals Of Ecu