TOYOTA AVENSIS 2002 Repair Manual

5006Z±01
50±20
±
STEERING COLUMN POWER STEERING ECU ASSY
AVENSIS REPAIR MANUAL (RM1018E)
POWER STEERING ECU ASSY
REPLACEMENT
1.PRECAUTION (See page 60±1)
2.DISCONNECT BATTERY NEGATIVE TERMINAL (See page 60±1)
3.REMOVE INSTRUMENT CLUSTER FINISH PANEL GARNISH NO.1 (See page 71±11)
4.REMOVE INSTRUMENT CLUSTER FINISH PANEL GARNISH NO.2 (See page 71±11)
5.REMOVE INSTRUMENT PANEL REGISTER ASSY CTR (See page 71±11)
6.REMOVE STEERING COLUMN COVER LWR (See page 50±9)
7. REMOVE STEERING COLUMN COVER W/INSTRUMENT CLUSTER FINISH PANEL ASSY (See page 50±9)
8.REMOVE COMBINATION METER ASSY (See page 71±11)
9.REMOVE INSTRUMENT PANEL REGISTER ASSY NO.1 (See page 71±11)
10.REMOVE INSTRUMENT PANEL REGISTER ASSY NO.2(See page 71±11)
11.REMOVE GLOVE COMPARTMENT DOOR ASSY (See page 71±11)
12.REMOVE FRONT PILLAR GARNISH LH (See page 71±11)
13.REMOVE FRONT PILLAR GARNISH RH (See page 71±11)
14.DISCONNECT PASSENGER AIRBAG CONNECTOR(See page 71±11)
15. REMOVE INSTRUMENT PANEL SUB±ASSY UPPER W/INSTR PNL PASS L/DOOR AIR BAG
ASSY (See page 71±11)
16. REMOVE POWER STEERING ECU ASSY
NOTICE:
Thoroughly check the procedures for removing and instal-
ling the power steering ECU assy when replacing it. Do the
same for the removing and installing the steering column
assy.
(a) Mark the clamp position on the torque sensor wire har-ness in order to reinstall the wire harness as shown in the
illustration.
(b) Disconnect the torque sensor wire harness from the clamp.
NOTICE:
In case the clamp will be reused, pay attention so as not to
damage it.
(c) Disconnect the 4 connectors.
(d) LHD: (1) Remove the 2 bolts,screw and power steering ECUassy.
(e) RHD: (1) Remove the 2 bolts,2 screw and power steeringECU assy.

F44857F44857
LHD:RHD:
Torque Sensor Wire Harness Clamp
Marks
Power Steering ECU Assy
Front
Motor Wire Harness
Torque Sensor
Wire Harness
Front
Torque Sensor
Wire Harness
Motor Wire Harness
Power Steering ECU Assy
Torque Sensor Wire Harness Clamp
Marks
Bolt (A)
Bolt (B)
ScrewScrew Bolt (B)Bolt (A)
± STEERING COLUMNPOWER STEERING ECU ASSY
50±21
AVENSIS REPAIR MANUAL (RM1018E)
17. INSTALL POWER STEERING ECU ASSY
(a) LHD:
Install the power steering ECU assy with the 2 bolts and
screw.
Torque:
BOLT (A): 8.0 N
m (82 kgf
cm, 71 in.
lbf)
BOLT (B): 15.5 N
m (158 kgf
cm, 11 ft
lbf)
(b) RHD:
Install the power steering ECU assy with the 2 bolts and
2 screws.
Torque:
BOLT (A): 8.0 N
m (82 kgf
cm, 71 in.
lbf)
BOLT (B): 15.5 N
m (158 kgf
cm, 11 ft
lbf)
(c) Connect the 4 connectors.
(d) Align the marks on the torque sensor wire harness with
the clamp, as shown in the illustration.

50±22
±
STEERING COLUMN POWER STEERING ECU ASSY
AVENSIS REPAIR MANUAL (RM1018E)
NOTICE:

When reusing the clamp, check that there is no dam-
age on it.

When reinstalling the wire harness, make sure there
is no twist in the harness or with other wire harness.
18. CONNECT BATTERY NEGATIVE TERMINAL
19.INSPECT SRS WARNING LIGHT (See page 05±1184)
20.PERFORM CALIBRATION OF TORQUE SENSOR ZERO POINT (See page 05±1045)

5006X−01
Steering
Column
Protector No.1
F44781
Horn Button Assy
Steering Wheel Assy
Spiral Cable Sub −Assy
Steering Column Cover
Headlamp Dimmer Switch AssySteering Column Assy
Steering
Sliding Yoke
Sub− Assy
Steering Intermediate
Shaft Assy No.2
Column Hole Cover Silencer Sheet
Steering Column Cover LWR
Windshield Wiper
Switch Assy
N

m (kgf
cm, ft
lbf): Specified torque
OIL Pressure Power Steering:
Steering Intermediate
Shaft Assy No.2
Steering
Sliding Yoke
Sub−Assy
35 (360, 26)
Column Hole Cover
Silencer Sheet
LHD Steering Position Type:
LHD Steering Position
Type: w/ Instrument Cluster
Finish Panel Assy
Floor Shift
Parking Lock Cable
Assy (A/T Transaxle)
Instrument Panel
Hole Cover
5 (51, 44 in.




lbf)
18 (184, 13)
18 (184, 13)
Instrument Panel
Airbag Assy
18 (184, 13)
18 (184, 13)
18 (184, 13)
25 (255, 18)
50 (510, 37)
35 (360, 26)
35 (360, 26)
28 (286, 21)
35 (360, 26)
28 (286, 21)
25 (255, 18)
25 (255, 18)
−
STEERING COLUMN STEERING COLUMN ASSY
50−5
STEERING COLUMN ASSY
COMPONENTS

F44782
Transponder Key Amplifier
Tapered±Head Bolt
Steering Column Clamp Upper
Ignition or Starter Switch Assy
Un±lock Warning
Switch Assy
Steering Column Upper W/Switch Bracket Assy Ignition Switch Lock Cylinder Assy
Non±reusable part

Steering Column Assy
50±6
± STEERING COLUMNSTEERING COLUMN ASSY
AVENSIS REPAIR MANUAL (RM1018E)

F44779
Horn Button Assy
Steering Wheel Assy
Headlamp Dimmer Switcn Assy
Spiral Cable
Windshield Wiper Switch Steering Column Cover
Steering Column Assy
Steering
Intermediate
Shaft Assy
No.2
Steering Sliding
Yoke sub−assy
Column Hole Cover Silencer Sheet
N
m (kgf
cm, ft
lbf): Specified torque Steering Sliding
Yoke sub
−assy
Steering Intermediate
Shaft Assy No.2
LHD Steering Position Type:
Electric Power Steering:
35 (360, 26)
35 (360, 26)
35 (360, 26)
Column Hole Cover Silencer Sheet
Steering Column Cover
LW R
Floor Shift Parking Lock
Cable Assy (A/T Transaxle)
Instrument Panel Airbag Assy
18 (184, 13)
Steering
Column
Protector
No.1
Instrument
Panel
Hole Cover
18 (184, 13)
18 (184, 13)
5 (51, 44 in.




lbf)
25 (255, 18)
18 (184, 13)
18 (184, 13)
LHD Steering Position Type: w/ Instrument Cluster
Finish Panel Assy
50 (510, 37)
25 (255, 18)
Steering Column
Protector No.1
35 (360, 26)
M/T Transaxle:25 (255, 18)
−
STEERING COLUMN STEERING COLUMN ASSY
50−7

F44780
Transponder Key Amplifier AssyTapered±head Bolt
Ignition or Starter Switch Assy Steering Column Assy

Non±reusable part
Steering Column Clamp Upper
Un±lock Warning
Switch Assy
Steering Column Upper w/ Switch Bracket Assy Ignition Switch Lock Cylinder Assy
50±8
± STEERING COLUMNSTEERING COLUMN ASSY
AVENSIS REPAIR MANUAL (RM1018E)

5006Y±01
Screw Case
F44801
Torx Screw
F44804
Airbag Connector
Lock Part Pull Out
F44805
CorrectWrong
±
STEERING COLUMN STEERING COLUMN ASSY
50±9
AVENSIS REPAIR MANUAL (RM1018E)
OVERHAUL
1.PRECAUTION (See page 60±1)
2. INSPECT PLACE FRONT WHEELS FACING STRAIGHT AHEAD
3.DISCONNECT BATTERY NEGATIVE TERMINAL (See page 60±1)
4.REMOVE HORN BUTTON ASSY
NOTICE:
If the airbag connector is disconnected with the ignition
switch at ON, DTCs is recorded.
(a) Using a torx socket wrench, loosen the 2 torx screws untilthe groove along the screw circumference catches on the
screw case.
(b) Pull out the horn button assy from the steering wheel and disconnect the airbag connector.
(c) Disconnect the terminal.
NOTICE:
When removing the horn button assy, take care not to pull
the airbag wire harness.
CAUTION:

When storing the horn button assy, keep the upper
surface of the horn button assy facing upward.

Never disassemble the horn button assy.

F44783
MatchmarksSST
F44784
50±10
±
STEERING COLUMN STEERING COLUMN ASSY
AVENSIS REPAIR MANUAL (RM1018E)
5. REMOVE STEERING WHEEL ASSY
(a) Remove the steering wheel assy set nut.
(b) Place matchmarks on the steering wheel assy and steer- ing main shaft assy.
(c) Using SST, remove the steering wheel assy. SST 09950±50013 (09951±05010, 09952±05010, 09953±05020, 09954±05021)
6.REMOVE INSTRUMENT PANEL UNDER COVER SUB±ASSY NO.1 (See page 71±11)
7.REMOVE INSTRUMENT PANEL HOLE COVER (See page 60±54)
8.REMOVE INSTRUMENT PANEL AIR BAG ASSY (See page 60±54)
9. REMOVE INSTRUMENT CLUSTER FINISH PANEL GARNISH NO.1 (ELECTRIC POWER STEERING) (See page 71±11)
10. REMOVE INSTRUMENT CLUSTER FINISH PANEL GARNISH NO.2 (ELECTRIC POWER
STEERING) (See page 71±11)
11. REMOVE INSTRUMENT PANEL REGISTER ASSY CTR (ELECTRIC POWER STEERING) (See page 71±11)
12. REMOVE STEERING COLUMN COVER LWR
(a) Remove the 3 screws and steering column cover LWR.
13. REMOVE STEERING COLUMN COVER W/INSTRUMENT CLUSTER FINISH PANEL ASSY
(a) Disengage the 2 clips and remove the steering column cover w/instrument cluster finish panel assy.
14.REMOVE COMBINATION METER ASSY (ELECTRIC POWER STEERING) (See page 71±11)
15. REMOVE INSTRUMENT PANEL REGISTER ASSY NO.1 (ELECTRIC POWER STEERING) (See page 71±11)
16. REMOVE INSTRUMENT PANEL REGISTER ASSY NO.2 (ELECTRIC POWER STEERING) (See page 71±11)
17. REMOVE GLOVE COMPARTMENT DOOR ASSY (ELECTRIC POWER STEERING)
(See page 71±11)
18.REMOVE FRONT PILLAR GARNISH LH (ELECTRIC POWER STEERING) (See page 71±11)
19.REMOVE FRONT PILLAR GARNISH RH (ELECTRIC POWER STEERING) (See page 71±11)
20. DISCONNECT PASSENGER AIRBAG CONNECTOR (ELECTRIC POWER STEERING) (See page 71±11)
21. REMOVE INSTRUMENT PANEL SUB±ASSY UPPER W/INSTR PNL PASS L/DOOR AIR BAG ASSY (ELECTRIC POWER STEERING) (See page 71±11)
22.REMOVE HEADLAMP DIMMER SWITCH ASSY (See page 65±27)
23.REMOVE WINDSHIELD WIPER SWITCH ASSY (See page 66±24)
24.REMOVE SPIRAL CABLE SUB±ASSY (See page 60±26)

F44785
F44786
F44788
± STEERING COLUMNSTEERING COLUMN ASSY
50±11
AVENSIS REPAIR MANUAL (RM1018E)
25. REMOVE COLUMN HOLE COVER SILENCER SHEET
(a) Remove the 2 nuts and column hole cover silencer sheet.
26. REMOVE STEERING COLUMN PROTECTOR NO.1
(a) Separate the wire harness clamp from the steering col-
umn protector No.1.
(b) Remove the 2 bolts and steering column protector No.1.
27. DISCONNECT FLOOR SHIFT PARKING LOCK CABLE
ASSY (A/T TRANSAXLE)
(a) Turn the ignition switch to ON.
(b) Using a screwdriver, disengage the claw and separate the
floor shift parking lock cable.