2001 TOYOTA AVALON steering

SR0EC-02
SR-2
- STEERINGTROUBLESHOOTING
1465 Author
: Date
:
2001 AVALON (RM808U)
TROUBLESHOOTING
PROBLEM SYMPTOMS TABLE
Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely
cause of the problem. Check each part in order. If necessary, repair or replace these parts.
SymptomSuspect AreaSee page
Hard steering
1. Tires (Improperly inflated)
2. Power steering fluid level (Low)
3. Drive belt (Loose)
4. Front wheel alignment (Incorrect)
5. Steering system joints (Worn)
6. Suspension arm ball joints (Worn)
7. Steering column (Binding)
8. Power steering vane pump
9. Power steering gearSA-2
SR-5
SR-3
SA-4
-
SA-38
-
SR-25
SR-37
Poor return
1. Tires (Improperly inflated)
2. Front wheel alignment (Incorrect)
3. Steering column (Binding)
4. Power steering gearSA-2
SA-4
-
SR-37
Excessive play
1. Steering system joints (Worn)
2. Suspension arm ball joints (Worn)
3. Universal joint, Intermediate shaft, Sliding yoke (Worn)
4. Front wheel bearing (Worn)
5. Power steering gear-
SA-38
-
SA-9
SR-37
Abnormal noise
1. Power steering fluid level (Low)
2. Steering system joints (Worn)
3. Power steering vane pump
4. Power steering gearSR-5
-
SR-25
SR-37

SR0EH-06
F08837
Floor shift:
8.8 (90, 78 in.´lbf)
50 (510, 37)
Torx ScrewSteering Wheel Pad
Steering Wheel Lower
No. 2 Cover
Combination Switch
(w/ Spiral cable)
Column Upper Cover
Column Lower CoverSteering Wheel Lower
No. 2 CoverSteering Wheel
Steering Column
Assembly
Clamp
Intermediate Shaft
Sub-assembly
25 (260, 19)
N´m (kgf´cm, ft´lbf): Specified torqueTorx Screw
Lower Instrument Finish
Panel Assembly
Return Spring
No. 2 Column Hole
Cover Sub-assemblyUniversal Joint Assembly No. 2 Column Lower CoverSteering Angle
Sensor
Lower No. 1 Instrument
Panel Sub-assembly
Lower LH Instrument Panel
Insert Sub-assembly
No. 2 Heater to Register Duct
Air Cleaner Assembly
with Air Cleaner Hose
Steering Angle
Sensor Adapter Speed Control Main
Switch Assemblyw/ VSC:
w/ VSC:
8.8 (90, 78 in.´lbf)
35 (360, 26)
35 (360, 26)
35 (360, 26)
Hood Lock Release Lever
- STEERINGTILT STEERING COLUMN
SR-9
1472
2001 AVALON (RM808U)
TILT STEERING COLUMN
COMPONENTS

F08849
Column shift:
50 (510, 37)
8.8 (90, 78 in.´lbf)
Torx ScrewSteering Wheel Pad
Steering Wheel Lower
No. 2 Cover
Combination Switch
(w/ Spiral cable)
Column Upper Cover
Column Lower CoverSteering Wheel Lower
No. 2 Cover Steering Wheel
Steering Column
Assembly
Clamp
Intermediate Shaft
Sub-assembly
25 (260, 19)
35 (360, 26)
N´m (kgf´cm, ft´lbf) : Specified torqueTorx Screw
Lower Instrument Finish
Panel Assembly
Return Spring
No. 2 Column Hole
Cover Sub-assembly
Universal Joint Assembly No. 2 Column Lower CoverSteering
Angle Sensor
Lower No. 1 Instrument
Panel Sub-assembly
Lower LH Instrument Panel
Insert Sub-assembly
No. 2 Heater to Register Duct
Air Cleaner Assembly
with Air Cleaner Hose
Steering Angle
Sensor Adapter Speed Control Main
Switch Assembly
Transmission Control
Cable
w/ VSC:
w/ VSC:
Hood Lock Release Lever
35 (360, 26)
35 (360, 26)
8.8 (90, 78 in.´lbf)
SR-10
- STEERINGTILT STEERING COLUMN
1473 Author
: Date
:
2001 AVALON (RM808U)

F09909
Column shift:
Shift Lever


Shift Lever Housing11 (110, 8)

10 (100, 7)
Shift Lock
Control ECU
2.8 (29, 25 in.´lbf)
3.4 (35, 30 in.´lbf)

Shift Lock Switch
Corrugate Tube
No. 2 Steering
Column Ring

Spring
RetainerCompression Spring
Main Shaft
Bushing
Main Shaft Collar
7.5 (75, 65 in.´lbf)



Turn Signal Bracket
Steering Column Upper Tube
Tilt Lever Lock ShaftTilt Lever Tension Spring


9.0 (90, 78 in.´lbf)
Spring Guide
Tilt Spring
No. 2 Tilt Steering Bolt
Tapered-head Bolt Key Interlock Solenoid Key Unlock
Warning SwitchColumn Upper
Bracket
Main Shaft Assembly



Transponder Key Coil
Key Cylinder
Lamp Assembly
Ignition Switch
Transponder Key
Amplifier
N´m (kgf´cm, ft´lbf) : Specified torque

Non-reusable part
Molybdenum disulfide lithium base greaseShift Lock
Solenoid Bracket
No. 2 Tilt
Steering Bolt

Column Tube Assembly
w/ Engine immobiliser system:
w/ Engine immobiliser system:
Key Cylinder
- STEERINGTILT STEERING COLUMN
SR-1 1
1474
2001 AVALON (RM808U)

SR0Z5-01
F08832
Screw Extractor
R11903
F09911
SR-16
- STEERINGTILT STEERING COLUMN
1479 Author
: Date
:
2001 AVALON (RM808U)
DISASSEMBLY
NOTICE:
When using a vise, do not overtighten it.
1. w/ Engine immobiliser system:
REMOVE TRANSPONDER KEY COIL
2. REMOVE KEY CYLINDER LAMP ASSEMBLY
Remove the screw and key cylinder lamp assembly.
3. Column shift:
REMOVE SHIFT LOCK CONTROL ECU
Disconnect the 3 connectors and remove the shift lock control
ECU.
4. REMOVE COLUMN UPPER BRACKET
(a) Using a centering punch, mark the center of the 2 ta-
pered-head bolts.
(b) Using a 3 - 4 mm (0.12 - 0.16 in.) drill, drill into the 2 bolts.
(c) Using a screw extractor, remove the 2 bolts and column
upper bracket.
5. Column shift:
REMOVE SHIFT LEVER HOUSING
(a) Remove the torx screw and shift lock switch.
(b) Remove the 2 torx screws and shift lock solenoid bracket.
(c) Remove the torx screw and shift lever.
(d) Remove the 3 torx screws and shift lever housing.
6. REMOVE TURN SIGNAL BRACKET
(a) Remove the tension spring.
(b) Remove the 2 torx screws and turn signal bracket.

F09912
Plate Washer
Screw
SST
A
Plate WasherB
F09910
No. 2 Steering
Column Ring SST
- STEERINGTILT STEERING COLUMN
SR-17
1480 Author
: Date
:
2001 AVALON (RM808U)
7. REMOVE STEERING COLUMN UPPER TUBE WITH
MAIN SHAFT ASSEMBLY
(a) Set SST, plate washer (18 and 36 mm outer diameter) and
screw (4.0 mm diameter, 0.7 mm pitch, 15.0 mm length),
as shown in the illustration. And then remove the 2 No. 2
tilt steering bolts.
SST 09910-00015 (09911-0001 1, 09912-00010)
Reference:
Plate washer A (18 mm): 90562-04012
Plate washer B (36 mm): 90201-10201
Screw: 90154-40015
(b) Remove the column upper tube with the main shaft as-
sembly from the column tube assembly.
NOTICE:
Do not bend the universal joint of the main shaft assembly
more than 20°.
(c) Remove tilt spring and spring guide.
8. REMOVE MAIN SHAFT ASSEMBLY
(a) Install SST to the main shaft assembly, as shown in the
illustration.
SST 09612-07010
(b) Using SST, compress the compression spring.
NOTICE:
Do not bend the universal joint of the main shaft assembly
more than 20°.
HINT:
Hold the main shaft assembly with your hand so that it does not
rotate.
(c) Using a screwdriver, remove the No. 2 steering column
ring.
(d) Remove the spring retainer, compression spring, main
shaft bushing and main shaft collar.
9. REMOVE TILT LEVER
Remove the tilt lever lock shaft and tilt lever.

SR0Z6-01
F09913
F09914
SR-18
- STEERINGTILT STEERING COLUMN
1481 Author
: Date
:
2001 AVALON (RM808U)
INSPECTION
1. INSPECT STEERING LOCK OPERATION
Check that the steering lock mechanism operates properly.
2. IF NECESSARY, REPLACE KEY CYLINDER
(a) Place the ignition key at the ACC position.
(b) Push down the stop pin with a screwdriver, and pull out
the key cylinder.
(c) Install a new key cylinder.
HINT:
Make sure the ignition key is at the ACC position.
3. INSPECT IGNITION SWITCH (See page BE-16)
4. IF NECESSARY, REPLACE IGNITION SWITCH
(a) Remove the 2 screws and ignition switch.
(b) Install a new ignition switch with the 2 screws.
5. INSPECT KEY UNLOCK WARNING SWITCH
(See page BE-16)
6. IF NECESSARY, REPLACE KEY UNLOCK WARNING
SWITCH
(a) Slide the key unlock warning switch out of the column up-
per bracket.
(b) Slide a new key unlock warning switch in the column up-
per bracket.
7. INSPECT KEY INTERLOCK SOLENOID
(See page AX-16 and AX-18)
8. IF NECESSARY, REPLACE KEY INTERLOCK SOLE-
NOID
(a) Remove the 2 screws and key interlock solenoid.
(b) Install a new key interlock solenoid with the 2 screws.
9. Column shift:
INSPECT SHIFT LOCK SOLENOID, SHIFT LOCK
SWITCH AND SHIFT LOCK CONTROL ECU
(See page AX-18)
10. Column shift:
IF NECESSARY, REPLACE SHIFT LOCK SOLENOID,
SHIFT LOCK SWITCH AND SHIFT LOCK CONTROL
ECU
11. w/ Engine immobiliser system:
INSPECT TRANSPONDER KEY COIL
(See page BE-181)
12. w/ Engine immobiliser system:
IF NECESSARY, REPLACE TRANSPONDER KEY
COIL

F09915
F09916
- STEERINGTILT STEERING COLUMN
SR-19
1482 Author
: Date
:
2001 AVALON (RM808U)
13. w/ Engine immobiliser system:
IF NECESSARY, REPLACE TRANSPONDER KEY AM-
PLIFIER
(a) Remove the 2 screws and transponder key amplifier.
(b) Install a new transponder key amplifier with the 2 screws.
14. INSPECT BEARING
Check the bearing rotation condition and check for abnormal
noise.
If faulty, replace the steering column upper tube sub-assembly.
15. INSPECT BUSHING
Check the bushing rotation condition and check for abnormal
noise.
If faulty, replace the steering column assembly.