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
.gif)
).
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 | .gif) |
INSPECT CAN COMMUNICATION SYSTEM |
|
.gif)
|
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 |
|
|
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 ...
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Front Fog Light Circuit
DESCRIPTION
The main body ECU (driver side junction block assembly) controls the fog light
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WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
inspection procedu ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT BRAKE BOOSTER ASSEMBLY
(a) Airtightness check
(1) Start the engine and stop it after 1 or 2 minutes. Slowly depress
the brake pedal several times.
HINT:
If the pedal can be depressed to the ...
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