PROBLEM SYMPTOMS TABLE
HINT:
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 |
|
Replacement
REPLACEMENT
PROCEDURE
1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM
(a) Start up the engine.
(b) Turn the A/C switch on.
(c) Operate the cooler compressor at an engine speed of approximately 1000 rpm
for 5 to 6 minutes to circulate the refrigerant. T ...
Steering wheel
The steering wheel can be adjusted to a comfortable position.
Hold the steering wheel and press the lever down.
Adjust to the ideal position by moving the steering wheel horizontally and vertically.
After adjustment, pull the lever up to secure the stee ...
Removal
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-)
battery terminal to disable the SRS system (See page
).
NOTICE:
When disconnecting the cable, s ...