2006 TOYOTA RAV4 Service Repair Manual

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Page 1601 of 2000

TOYOTA RAV4 2006 Service Repair Manual STEERING COLUMN – STEERING COLUMN ASSEMBLYSR–17
SR
INSPECTION
1. CHECK TORQUE SENSOR
(a) Check the torque sensor (see page PS-19).
2. CHECK POWER STEERING MOTOR
(a) Check the power steering moto

Page 1602 of 2000

TOYOTA RAV4 2006 Service Repair Manual SR–18STEERING COLUMN – STEERING COLUMN ASSEMBLY
SR
5. INSPECT STEERING LOCK OPERATION
(a) Remove the key and check that the steering lock
function is activated.
(b) Insert the key, turn the ign

Page 1603 of 2000

TOYOTA RAV4 2006 Service Repair Manual STEERING COLUMN – STEERING COLUMN ASSEMBLYSR–19
SR
INSTALLATION
1. INSTALL STEERING COLUMN ASSEMBLY
(a) Install the steering column onto the instrument panel
reinforcement with the 3 bolts.
Tor

Page 1604 of 2000

TOYOTA RAV4 2006 Service Repair Manual SR–20STEERING COLUMN – STEERING COLUMN ASSEMBLY
SR
6. CONNECT POWER STEERING ECU
(a) Connect the 2 steering column connectors to the
power steering ECU.
(b) Install the power steering motor wir

Page 1605 of 2000

TOYOTA RAV4 2006 Service Repair Manual STEERING COLUMN – STEERING COLUMN ASSEMBLYSR–21
SR
(b) Attach the 4 claws to install the lower steering
column cover.
11. INSTALL STEERING WHEEL ASSEMBLY
(a) Align the matchmarks and install th

Page 1606 of 2000

TOYOTA RAV4 2006 Service Repair Manual PS–6POWER STEERING – ELECTRONIC POWER STEERING SYSTEM
PS
HOW TO PROCEED WITH
TROUBLESHOOTING
HINT:
Perform troubleshooting in accordance with the following
flowchart.
*: Use the intelligent te

Page 1607 of 2000

TOYOTA RAV4 2006 Service Repair Manual POWER STEERING – ELECTRONIC POWER STEERING SYSTEMPS–7
PS
(a) Check for DTC (see page PS-11).
Result
A
B
Result
B
A
(a) Terminals of ECU (see page PS-8).
(b) DATA LIST / ACTIVE TEST (see page PS-

Page 1608 of 2000

TOYOTA RAV4 2006 Service Repair Manual PS–8POWER STEERING – ELECTRONIC POWER STEERING SYSTEM
PS
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptom

PS–8POWER STEERING – ELECTRONIC POWER STEERING SYSTEM
PS
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of the
problem symptom. 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.
Electronic power steering system
Symptom Suspected area See page
Heavy steering1. Front tires (improperly inflated, unevenly worn)TW-1
2. Front wheel alignment (incorrect)SP-3
3. Front suspension (lower ball joint)SP-27
4. Steering gear assemblyPS-42
5. Power steering motor PS-25
6. Power source voltage of power steering ECUPS-37
7. Power steering ECUPS-46
Steering effort differs between turning right and left, or
steering effort uneven1. Front tires (improperly inflated, unevenly worn)TW-1
2. Front wheel alignment (incorrect)SP-3
3. Front suspension (lower ball joint)SP-27
4. Steering gear assemblyPS-42
5. Torque sensor (built into steering column) PS-22
6. Steering column assemblySR-11
7. Power steering motor PS-25
8. Power steering ECUPS-46
While driving, steering effort does not change in
accordance with vehicle speed or steering wheel does
not return properly1. Front suspension (lower ball joint)SP-27
2. Speed sensorBC-28
3. Skid control ECUBC-41
4. Torque sensor (built into steering column) PS-22
5. Power steering motor PS-25
6. Power steering ECUPS-46
7. Controlling CAN communication systemCA-8
Friction occurs when turning steering wheel during low
speed driving1. Power steering motor PS-25
2. Steering column assemblySR-11
High-pitched sound (squeaking) occurs when turning
steering wheel slowly with vehicle stopped1. Power steering motor PS-25
Steering wheel vibrates and noise occurs when turning
steering wheel with vehicle stopped1. Power steering motor PS-25
2. Steering column assemblySR-11
P/S warning always indicated on combination meter1. Power source voltage of power steering ECUPS-37
2. Combination meterME-53
3. Power steering ECUPS-46

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