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 |
|
.gif)
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 ENGINE COOLANT TEMPERATURE SENSOR
Text in Illustration
*1
Component without harness connected
(Engine Coolant Temperature Sensor)
*2
Temperature °C (°F)
*3
...
Lost Communication with ECM / PCM "A" (U0100)
DESCRIPTION
The power management control ECU receives shift position information from 2 sources.
It receives a shift position P signal from the shift lock control unit assembly
via a direct line, and shift position information from the ECM via CAN. If the ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY
(a) Mount the brake master cylinder sub-assembly in a vise.
NOTICE:
Place aluminum plates on the vise to prevent damage to the brake master cylinder
sub-assembly.
(b) U ...
0.1728