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 |
|
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the LH side and RH side.
The following procedure is for the LH side.
If the sensor rotor needs to be replaced, replace it together with the
front drive shaft assembly.
...
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Perform "Inspection After Repair" after replacing the engine assembly (See page
).
PROCEDURE
1. INSTALL IGNITION COIL ASSEMBLY
2. INSTALL FUEL DELIVERY PIPE SUB-ASSEMBLY
3. INSTALL ENGINE COOL ...
Removal
REMOVAL
PROCEDURE
1. REMOVE REAR WHEELS
2. REMOVE CENTER EXHAUST PIPE ASSEMBLY
(a) Remove the center exhaust pipe assembly.
HINT:
Refer to the instructions for Removal of the exhaust pipe (See page
for 2GR-FE,
for 1AR-FE).
3. REMOVE LOWER NO. 1 EXH ...