Toyota Camry owners & service manuals

Toyota Camry (XV70): 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.

Click here

PROCEDURE

1.

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

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.

OK

REPLACE BRAKE ACTUATOR ASSEMBLY

NG

INSPECT METER / GAUGE SYSTEM

    READ NEXT:

     Brake Hold Standby Indicator Light Circuit

    DESCRIPTION The brake hold standby indicator light turns on if brake hold control is possible when the following conditions required for operation standby are met and the brake hold switch (electric p

     Brake Hold Operated Indicator Light Circuit

    DESCRIPTION The brake hold operated indicator light illuminates when the brake hold system is operating (vehicle stopped due to brake fluid pressure hold) and turns off when the brake hold system oper

     Slip Indicator Light Remains ON

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

    SEE MORE:

     Check Bus 3 Line for Short to +B

    DESCRIPTION There may be a short circuit between one of the CAN bus lines and +B when there is no resistance between terminal 6 (CA3H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 21 (CA3L) of the central gateway ECU (network gateway ECU) and termin

     Installation

    INSTALLATION PROCEDURE 1. INSTALL THROTTLE BODY GASKET (a) Install a new throttle body gasket to the intake air surge tank assembly with the protrusion of the throttle body gasket oriented as shown in the illustration. *a Protrusion 2. INSTALL THROTT

    © 2023-2025 Copyright www.tocamry.com