Toyota Venza: 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

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

B

INSPECT CAN COMMUNICATION SYSTEM

A

(a) Disconnect the skid control ECU connector.

(b) Turn the ignition switch to ON.

(c) Check that the brake warning light comes 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 ).

OK

REPLACE BRAKE ACTUATOR ASSEMBLY

NG

(a) Turn the ignition switch off.

(b) Reconnect the skid control ECU connector.

(c) Perform the Active Test of the combination meter (meter CPU) using the Techstream (See page ).

(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 ).

OK

REPLACE BRAKE ACTUATOR ASSEMBLY

NG

REPLACE COMBINATION METER ASSEMBLY