Toyota Venza: Brake Warning Light does not Come ON

Toyota Venza Service Manual / Brake Control / Dynamic Control Systems / Vehicle Stability Control System / Brake Warning Light does not Come ON

DESCRIPTION

The skid control ECU is connected to the combination meter via CAN communication.

WIRING DIAGRAM

Refer to Brake Warning Light Remains ON (See page ).

PROCEDURE

1.	CHECK CAN COMMUNICATION SYSTEM

(a) Check if a CAN communication system DTC is output (See page ).

Result	Proceed to
DTC is not output	A
DTC is output	B

INSPECT CAN COMMUNICATION SYSTEM

2.	CHECK BRAKE WARNING LIGHT

(a) Disconnect the skid control ECU connector.

(b) Turn the ignition switch to ON.

OK:

The brake warning light comes on.

HINT:

If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing the part (See page ).

REPLACE BRAKE ACTUATOR ASSEMBLY

3.	INSPECT COMBINATION METER ASSEMBLY

(a) Turn the ignition switch off.

(b) Reconnect the skid control ECU connector.

(d) Check the combination meter.

OK:

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

HINT:

If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step (See page ).

REPLACE BRAKE ACTUATOR ASSEMBLY

REPLACE COMBINATION METER ASSEMBLY

Brake Warning Light Remains ON

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