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 |
|
|
|
Poor return |
Front tires (Improperly inflated, unevenly worn) |
|
|
Front wheel alignment (Incorrect) |
|
|
|
Steering column assembly |
|
|
|
Power steering ECU assembly |
|
|
|
Excessive free play |
Front tires (Improperly inflated, unevenly worn) |
|
|
Front suspension (Lower ball joint) |
|
|
|
Intermediate shaft, universal joint, sliding yoke (Worn) |
- |
|
|
Front wheel bearing (Worn) |
|
|
|
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 |
|
Precaution
AdjustmentSystem Diagram
SYSTEM DIAGRAM
Communication Table
Transmitting ECU
Receiving ECU
Signal
Communication Method
Air Conditioning Control Assembly
Air Conditioning Amplifier Assembly
Rear windo ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The procedure listed below is for the LH side.
PROCEDURE
1. PRECAUTION
HINT:
See page
2. DRAIN AUTOMATIC TRANSAXLE FLUID
HINT:
for U ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
CAUTION:
Wear protective gloves when removing the exhaust pipe.
The exhaust pipe is extremely hot immediately after the engine has stopped.
Confirm that the exhaust pipe has cooled down ...