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:
Fail-safe Chart
FAIL-SAFE CHART
1. Fail-safe
This function minimizes the loss of operation when any abnormality occurs in
a sensor or solenoid.
Fail-safe Control List
Malfunction Part
Function
Input Turbine Speed Sensor
...
Fail-safe Chart
FAIL-SAFE CHART
1. FAIL-SAFE FUNCTION
(a) When communication fails in any of the CAN bus wires (communication wires),
a fail-safe function(s) will operate. The fail-safe function that is specified for
each system operates to prevent those systems from ma ...
Removal
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable
is reconnected (See page ).
2. REMOVE RADIATOR RESERVE TANK ASSEMBLY
(a) Remove t ...
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