Toyota Venza: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
- 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 of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Steering is heavy. |
Front tires (Improperly inflated, unevenly worn) |
|
|
Front wheel alignment (Incorrect) |
|
|
|
Front suspension (Lower ball joint) |
|
|
|
Power steering gear (for 2GR-FE) |
|
|
|
Power steering gear (for 1AR-FE) |
|
|
|
Steering column assembly |
|
|
|
Torque sensor (Built into steering column assembly) |
- |
|
|
Power steering motor |
- |
|
|
Speed sensor |
|
|
|
Skid control ECU (Built into brake actuator) |
- |
|
|
Battery and power source system |
- |
|
|
Power steering ECU power source voltage and relay |
- |
|
|
Power steering ECU assembly |
|
|
|
Steering effort differs between right and left or is uneven. |
Rotation angle sensor initialization and torque sensor zero point calibration |
|
|
Front tires (Improperly inflated, unevenly worn) |
|
|
|
Front wheel alignment (Incorrect) |
|
|
|
Front suspension (Lower ball joint) |
|
|
|
Power steering gear (for 2GR-FE) |
|
|
|
Power steering gear (for 1AR-FE) |
|
|
|
Torque sensor (Built into steering column assembly) |
- |
|
|
Steering column assembly |
|
|
|
Power steering motor |
- |
|
|
Power steering ECU assembly |
|
|
|
While driving, steering effort does not change in accordance with vehicle speed or the steering wheel does not return properly. |
Front suspension (Lower ball joint) |
|
|
Speed sensor |
|
|
|
Skid control ECU (Built into brake actuator) |
- |
|
|
Combination meter |
|
|
|
Torque sensor (Built into steering column assembly) |
- |
|
|
Power steering motor |
- |
|
|
Power steering gear (for 2GR-FE) |
|
|
|
Power steering gear (for 1AR-FE) |
|
|
|
Power steering ECU assembly |
|
|
|
A knocking (or cranking) sound occurs when turning the steering wheel while power steering is operating. |
Front suspension (Lower ball joint) |
|
|
Steering intermediate shaft |
- |
|
|
Power steering gear (for 2GR-FE) |
|
|
|
Power steering gear (for 1AR-FE) |
|
|
|
Noise occurs when turning the steering wheel during low speed driving. |
Power steering gear (for 2GR-FE) |
|
|
Power steering gear (for 1AR-FE) |
|
|
|
Steering column assembly |
|
|
|
Power steering ECU assembly |
|
|
|
High-pitched sounds (squeaking) occur when turning the steering wheel slowly with the vehicle stopped. |
Power steering gear (for 2GR-FE) |
|
|
Power steering gear (for 1AR-FE) |
|
|
|
Power steering motor |
- |
|
|
The steering wheel vibrates and noise occurs when turning the steering wheel from lock to lock. |
Power steering gear (for 2GR-FE) |
|
|
Power steering gear (for 1AR-FE) |
|
|
|
Steering column assembly |
|
|
|
PS warning light remains on. |
Proceed to PS warning light remains on |
|
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Calibration
CALIBRATION
1. ROTATION ANGLE SENSOR INITIALIZATION AND TORQUE SENSOR ZERO POINT CALIBRATION
NOTICE:
Clear the rotation angle sensor calibration value, initialize the rotation angle
sensor, and c ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK POWER STEERING ECU
HINT:
As connector z8 uses a lock lever, each terminal cannot be checked while the
connector is still connected to the power steering ECU.
...
Other materials about Toyota Venza:
Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT SEAT OUTER BELT ASSEMBLY
NOTICE:
Do not disassemble the retractor.
(a) Before installing the front seat outer belt assembly, check the ELR.
(1) When the inclination of the retractor is 15° or less, check that the ...
VSC 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 VSC OFF Indicator Light Remains ON (See page
).
PROCEDURE
1.
CHECK CAN COMMUNICATION SYSTEM
(a) Check ...
Vehicle Speed Sensor "A" (P0500)
DESCRIPTION
The speed sensors detect the wheel speed and send the appropriate signals to
the skid control ECU. The skid control ECU converts these wheel speed signals into
a 4-pulse signal and outputs it to the TCM via the combination meter. The TCM deter ...
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