TOYOTA AVENSIS 2005 Service 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)

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.

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 50±12
± STEERING COLUMNSTEERING COLUMN ASSY
AVENSIS REPAIR MANUAL (RM1018E)
28. DISCONNECT POWER STEERING ECU ASSY (ELECTRIC POWER STEERING)
NOTICE:
Thoroughly check the procedures for removing and installing 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 harness 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 2 connectors.
29. REMOVE STEERING COLUMN ASSY
(a) Disconnect the wire harness and wire harness clamps.
(b) Loosen the 3 steering column assy set bolts.

F44789
RHD:
A
B
Matchmarks
F44790
LHD:
Matchmarks
BA
F45269
F44793Matchmarks
±
STEERING COLUMN STEERING COLUMN ASSY
50±13
AVENSIS REPAIR MANUAL (RM1018E)
(c) RHD:
Place matchmarks on the intermediate shaft assy No. 2
and steering intermediate shaft.
(d) RHD: Loosen the bolt A and remove the bolt B, then disconnect
the intermediate shaft assy No.2.
(e) LHD: Place matchmarks on the steering sliding yoke sub±assy
and steering intermediate shaft.
(f) LHD: Loosen the bolt A and remove the bolt B, then disconnect
the steering sliding yoke sub±assy.
(g) RHD, M/T: Remove the bolt and protector.
(h) Remove the 3 bolts and steering column assembly.
30. REMOVE STEERING INTERMEDIATE SHAFT ASSY NO.2 (RHD STEERING POSITION TYPE)
(a) Remove the bolt A and steering intermediate shaft assy No. 2.
31. REMOVE STEERING SLIDING YOKE SUB±ASSY (LHD STEERING POSITION TYPE)
(a) Remove the bolt A and steering sliding yoke sub±assy. 32. REMOVE STEERING SLIDING YOKE SUB±ASSY(RHD STEERING POSITION TYPE)
(a) Place matchmarks on the steering sliding yoke sub±assy
and steering main shaft.
(b) Remove the bolt and steering sliding yoke sub±assy.
(c) W/VSC: Remove the steering sensor (See page 32±65).

F44793Matchmarks
F44794
Screw
Extractor
F44795
SST
F44796
F44797
50±14
±
STEERING COLUMN STEERING COLUMN ASSY
AVENSIS REPAIR MANUAL (RM1018E)
33. REMOVE STEERING INTERMEDIATE SHAFT ASSY NO.2 (LHD STEERING POSITION TYPE)
(a) Place matchmarks on the steering intermediate shaft
assy No. 2 and steering main shaft.
(b) Remove the bolt and steering intermediate shaft assy No. 2.
(c) W/VSC:
Remove the steering sensor (See page 32±65).
34. REMOVE STEERING COLUMN UPPER W/SWITCH BRACKET ASSY
(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 steering column upper with switch bracket assy.
NOTICE:
Do not give the strong force to the motor part.
35. INSPECT STEERING COLUMN ASSY (ELECTRIC POWER STEERING)
(a) Using SST and a torque wrench, check the rotating torque.
SST 09616±00011
Rotating torque (1 turn for 2 sec.):
0.4 ± 1.1 N
m (4 ± 11 kgf
cm, 3.5 ± 9.5 in.
lbf)
36. REMOVE TRANSPONDER KEY AMPLIFIER
(a) Widen the claw hung on the upper bracket by approx. 1.0 mm (0.039 in.) using a screwdriver.
(b) Pull the transponder key amplifier toward the rear of the
vehicle with the claw open.
NOTICE:
Take care not to use excessive force to prevent the case
from being damaged.
37. REMOVE IGNITION SWITCH LOCK CYLINDER ASSY
(a) Place the ignition switch lock cylinder assy at the ACC position.
(b) Push down the stop pin with a screwdriver, and pull out the cylinder assy.

F44798
F44799
F44793Matchmarks
±
STEERING COLUMN STEERING COLUMN ASSY
50±15
AVENSIS REPAIR MANUAL (RM1018E)
38. REMOVE UN±LOCK WARNING SWITCH ASSY
(a) Slide the unlock warning switch assy out of the steering column upper br\
acket.
39. REMOVE IGNITION OR STARTER SWITCH ASSY
(a) Remove the 2 screws and ignition or starter switch assy.
40. INSTALL IGNITION OR STARTER SWITCH ASSY
(a) Install the ignition or starter switch assy to the steering column upper w/swit\
ch bracket assy with the
2 screws.
41. INSTALL UN±LOCK WARNING SWITCH ASSY
(a) Install the un±lock warning switch assy.
(b) Connect the un±lock warning switch assy connector to the ignition or \
starter switch assy.
42. INSTALL IGNITION SWITCH LOCK CYLINDER ASSY
(a) Make sure of the ignition switch lock cylinder assy at the ACC position.\
(b) Install the ignition switch lock cylinder assy.
43. INSPECT STEERING LOCK OPERATION
(a) Check that the steering lock mechanism is activated when removing the ke\
y.
(b) Check that the steering lock mechanism is deactivated when inserting the\
key and turning it to ACC position.
44. INSTALL TRANSPONDER KEY AMPLIFIER
(a) Align the transponder key amplifier with the installationposition of the upper bracket with the amplifier inclined.
(b) Push the transponder key amplifier up and connect it to the upper bracket.
NOTICE:
Take care not to push the amplifier up with excessive force
to prevent it from being damaged.
45. INSTALL STEERING COLUMN UPPER W/SWITCH BRACKET ASSY
(a) Temporarily install the steering column upper with switch bracket assy and steering column upper clamp with 2 new
tapered±head bolts.
(b) Tighten the 2 tapared±head bolts until the bolt heads break off.
46. INSTALL STEERING SLIDING YOKE SUB±ASSY (RHD STEERING POSITION TYPE)
(a) W/VSC:
Install the steering sensor (See page 32±65).
(b) Align matchmarks on the steering sliding yoke and steer- ing main shaft.
(c) Oil Pressure Power Steering
(1) Install the steering sliding yoke with the bolt.
Torque: 28 N
m (286 kgf
cm, 21 ft
lbf)