Toyota Venza manuals

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

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


B

INSPECT CAN COMMUNICATION SYSTEM


A

2.

CHECK BRAKE WARNING LIGHT

(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

3.

INSPECT COMBINATION METER ASSEMBLY

(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

Brake Warning Light Remains ON
DESCRIPTION The skid control ECU is connected to the combination meter via CAN communication. If any of the following is detected, the brake warning light remains on: The skid control ECU co ...

TRAC OFF Indicator Light Remains ON
DESCRIPTION The skid control ECU is connected to the combination meter via CAN communication. Pressing the VSC OFF switch turns off traction control and pressing and holding this switch turns off ...

Other materials about Toyota Venza:

Inspection
INSPECTION PROCEDURE 1. INSPECT REAR DRIVE SHAFT ASSEMBLY (a) Check whether the drive shaft dimensions are within the following specifications. HINT: The following table shows the dimension (A) of the drive shaft. Dimension (A) ...

Diagnosis System
DIAGNOSIS SYSTEM 1. DESCRIPTION (a) When troubleshooting a vehicle with a diagnosis system, the only difference from the usual troubleshooting procedure is connecting the Techstream to the vehicle and reading various data output from the clearance warnin ...

Short in Front Passenger Side Squib Circuit (B1805/52-B1808/52)
DESCRIPTION The front passenger side squib circuit consists of the center airbag sensor assembly and front passenger airbag assembly. The center airbag sensor assembly uses this circuit to deploy the airbag when deployment conditions are met. These DTCs ...

© 2016-2022 Copyright www.tovenza.com

0.1356