Toyota Venza: TRAC OFF Indicator Light does not Come ON
DESCRIPTION
The skid control ECU is connected to the combination meter via CAN communication.
WIRING DIAGRAM
Refer to TRAC OFF Indicator 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. |
PERFORM ACTIVE TEST USING TECHSTREAM (TRAC OFF INDICATOR LIGHT) |
(a) Connect the Techstream to the DLC3.
(b) Start the engine.
(c) Select the Active Test on the Techstream (See page
).
ABS/VSC/TRAC
|
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
TRC(TRAC) OFF Indicator Light |
TRAC OFF indicator light |
Indicator light ON/OFF |
Observe accessory meter |
(d) Check that the TRAC OFF indicator light on the accessory meter turns on or off in accordance with the Techstream operation.
OK:
The TRAC OFF indicator 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 before replacing the part (See
page ).
| OK | |
REPLACE BRAKE ACTUATOR ASSEMBLY |
|
|
3. |
INSPECT COMBINATION METER ASSEMBLY |
(a) Turn the ignition switch off.
(b) Turn the ignition switch to ON and check the TRAC OFF indicator light will come on for approximately 3 seconds (initial check).
(c) Perform the Active Test of the combination meter (meter CPU) using the Techstream
(See page ).
(d) Check the accessory meter.
|
Result |
Proceed to |
|---|---|
|
OK |
A |
|
NG (Initial check is normal, and the TRAC OFF indicator light does not turn on or off in accordance with the Techstream operation) |
B |
|
NG (Initial check is abnormal) |
C |
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
).
| A | |
REPLACE BRAKE ACTUATOR ASSEMBLY |
| B | |
REPLACE COMBINATION METER ASSEMBLY |
| C | |
REPLACE ACCESSORY METER ASSEMBLY |
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 ...
VSC 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:
PIG Power Supply Voltage Malfunction (C1552)
DESCRIPTION
When a problem occurs in the power steering system, the power source relay circuit
is shut off to stop the power assist.
DTC No.
DTC Detection Condition
Trouble Area
C1552
PIG power s ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" column ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) Data of the system can be read from the Data Link Connector 3 (DLC3) of the
vehicle. Therefore, when the system seems to be malfunctioning, use the Techstream
to check for a malfunction and repair it.
2. CHECK DLC3
( ...
0.2207