engine sensor TOYOTA AVALON 2001 Service Repair Manual

B09085
SF061-03
B09086
VTA
E2
VCOhmmeter
Vacuum
B09087
Plug
Disconnect
- SFITHROTTLE BODY
SF-33
1142 Author
: Date
:
2001 AVALON (RM808U)
THROTTLE BODY
ON-VEHICLE INSPECTION
1. INSPECT THROTTLE BODY
Check that the throttle linkage moves smoothly.
2. INSPECT THROTTLE POSITION SENSOR
(a) Disconnect the sensor connector.
(b) Disconnect the vacuum hose from the throttle body.
(c) Apply vacuum to the throttle opener.
(d) Using an ohmmeter, measure the resistance between
each terminal.
Resistance:
Throttle valve
conditionBetween
terminalsResistance
Fully closedVTA - E20.2 - 6.3 kW
Fully openVTA - E22.0 - 10.2 kW
-VC - E22.5 - 5.9 kW
(e) Reconnect the vacuum hose to the throttle body.
3. INSPECT THROTTLE OPENER
(a) Allow the engine to warm up to normal operating tempera-
ture.
(b) Check idle speed.
Idle speed: 650 ± 50 rpm
(c) Disconnect the vacuum hose from the throttle opener,
and plug the hose end.
(d) Check the throttle opener setting speed.
Throttle opener setting speed: 1,100 - 1,700 rpm
If the throttle opener setting is not as specified, replace the
throttle body.
(e) Stop the engine.
(f) Reconnect the vacuum hose to the throttle opener.
(g) Start the engine and check that the idle speed returns to
the correct speed.

SF0ZT-02
A10518
5 mm
Hexagon
Wrench
B09090
B09091(d)
(b)
(c)
(e)
B09092
(j)(g)
(h) (f)
(k) (i)
SF-36
- SFITHROTTLE BODY
1145 Author
: Date
:
2001 AVALON (RM808U)
REMOVAL
1. DRAIN ENGINE COOLANT
2. REMOVE V-BANK COVER
(a) Using a 5 mm hexagon wrench, remove the 3 cap nuts.
(b) Loosen the V-bank cover fastener counterclockwise.
HINT:
At the time of installation, please refer to the following items.
Press down the V-bank cover fastener.
(c) Remove the V-bank cover.
3. REMOVE AIR CLEANER HOSE WITH RESONATOR
(a) Disconnect the PCV hose.
(b) Disconnect the vacuum hose (from the VSV for the active
engine control mount).
(c) Loosen the 3 hose clamps, and remove the air cleaner
hose with the resonator.
4. DISCONNECT ACCELERATOR CABLE AND
THROTTLE CABLE
5. REMOVE THROTTLE BODY
(a) Remove the bolt holding the throttle body to the throttle
body bracket.
Torque: 19.5 N´m (200 kgf´cm, 14 ft´lbf)
(b) Disconnect the throttle position sensor connector.
(c) Disconnect the IAC valve connector.
(d) Disconnect the wire clamp.
(e) Disconnect the brake booster vacuum hose.
(f) Disconnect the water bypass hose (from the intake man-
ifold).
(g) Disconnect the water bypass hose (from the water inlet
housing).
(h) Disconnect the air assist hose.
(i) Disconnect the fuel vapor feed hose (from the emission
control valve set).
(j) Disconnect the vacuum hose (from the No.1 ACIS VSV).
(k) Disconnect the vacuum hose (from the vacuum tank for
the ACIS).

SA0VS-02
W03084
W03093
W03139
- SUSPENSION AND AXLEFRONT AXLE HUB
SA-9
1343 Author
: Date
:
2001 AVALON (RM808U)
REMOVAL
1. REMOVE FRONT WHEEL
Torque: 103 N´m (1,050 kgf´cm, 76 ft´lbf)
2. CHECK BEARING BACKLASH AND AXLE HUB DEVI-
ATION
(a) Remove the 2 bolts, brake caliper and disc.
(b) Support the brake caliper securely.
(c) Using a dial indicator, check the backlash near the center
of the axle hub.
Maximum: 0.05 mm (0.0020 in.)
If the backlash exceeds the maximum, replace the bearing.
(d) Using a dial indicator, check the deviation at the surface
of the axle hub outside the hub bolt.
Maximum: 0.05 mm (0.0020 in.)
If the deviation exceeds the maximum, replace the axle hub.
(e) Install the disc, brake caliper and 2 bolts.
Torque: 107 N´m (1,090 kgf´cm, 79 ft´lbf)
3. REMOVE DRIVE SHAFT LOCK NUT
(a) Remove the cotter pin and lock cap.
(b) While applying the brakes, remove the nut.
Torque: 294 N´m (3,000 kgf´cm, 217 ft´lbf)
(c) Remove the 2 bolts, brake caliper and disc.
(d) Support the brake caliper securely.
4. DISCONNECT ABS SPEED SENSOR AND WIRE HAR-
NESS CLAMP
Remove the bolt and disconnect the ABS speed sensor and
wire harness clamp.
Torque: 8.0 N´m (82 kgf´cm, 71 in.´lbf)
5. LOOSEN 2 NUTS ON LOWER SIDE OF SHOCK AB-
SORBER
HINT:
Do not remove the bolts.
Torque: 211 N´m (2,150 kgf´cm, 156 ft´lbf)
HINT:
At the this time of installation, coat the nut's thread with engine
oil.

SA0V0-02
F07388
To outside SA-26
- SUSPENSION AND AXLEFRONT SHOCK ABSORBER
1360 Author
: Date
:
2001 AVALON (RM808U)
REMOVAL
1. REMOVE FRONT WHEEL
Torque: 103 N´m (1,050 kgf´cm, 76 ft´lbf)
2. DISCONNECT FLEXIBLE HOSE AND ABS SPEED
SENSOR WIRE HARNESS CLAMP
Remove the bolt and disconnect the flexible hose and ABS
speed sensor wire harness clamp from the shock absorber.
Torque: 29 N´m (300 kgf´cm, 22 ft´lbf)
3. DISCONNECT STABILIZER BAR LINK FROM SHOCK
ABSORBER (See page SA-41)
4. DISCONNECT SHOCK ABSORBER FROM STEERING
KNUCKLE
(a) Remove the 2 nuts and bolts on the lower side of the
shock absorber.
Torque: 211 N´m (2,150 kgf´cm, 156 ft´lbf)
(b) Remove the shock absorber from the steering knuckle.
HINT:
At the time of installation, coat the nut's threads with engine oil.
5. REMOVE SHOCK ABSORBER WITH COIL SPRING
Remove the 3 nuts and shock absorber with the coil spring.
Torque: 80 N´m (820 kgf´cm, 59 ft´lbf)
HINT:
At the time of installation, rotate the suspension support and set
it in the direction, as shown.

F04031
F04048
1
2
F01195
Bolt
Adjusting
ValueSet Bolt
15'
30'Adjusting Bolt90105-17001 90105-17003 90105-17004 90105-17005
45'
1°00'
1°15'
1°30'121212121 Dot
2 Dots3 Dots
- SUSPENSION AND AXLEFRONT WHEEL ALIGNMENT
SA-5
1339 Author
: Date
:
2001 AVALON (RM808U)
4. ADJUST CAMBER
NOTICE:
After the camber has been adjusted, inspect the toe-in.
(a) Remove the front wheel and ABS speed sensor clamp.
(b) Remove the 2 nuts on the lower side of the shock absorb-
er.
(c) Coat the threads of the nuts with engine oil.
(d) Temporarily install the 2 nuts.
(e) Adjust the camber by pushing or pulling the lower side of
the shock absorber in the direction in which the camber
adjustment is required.
(f) Tighten the nuts.
Torque: 211 N´m (2,150 kgf´cm, 156 ft´lbf)
(g) Install the ABS speed sensor clamp and front wheel.
Torque: 103 N´m (1,050 kgf´cm, 76 ft´lbf)
(h) Check the camber.
HINT:

Try to adjust the camber to the center of the specified val-
ue.

Adjusting value for the set bolts is 6' - 30' (0.1° - 0.5°).
If the camber is not within the specified value, using the follow-
ing table, estimate how much additional camber adjustment will
be required, and select the camber adjusting bolt.
(i) Do the steps mentioned above again. Between step (b)
and (c), replace 1 or 2 selected bolts.
HINT:
When replacing the 2 bolts, replace 1 bolt for each time.

SA0WA-02
R00749
F01924
F07383
SA-50
- SUSPENSION AND AXLEREAR SHOCK ABSORBER
1384 Author
: Date
:
2001 AVALON (RM808U)
REMOVAL
1. REMOVE REAR SEAT (See page BO-1 19)
2. REMOVE REAR WHEEL
Torque: 103 N´m (1,050 kgf´cm, 76 ft´lbf)
3. DISCONNECT FLEXIBLE HOSE AND ABS SPEED
SENSOR WIRE HARNESS CLAMP
Remove the 2 bolts and disconnect the flexible hose and ABS
speed sensor wire harness clamp.
Torque:
Flexible hose: 29 N´m (300 kgf´cm, 22 ft´lbf)
ABS speed sensor wire harness:
5.4 N´m (55 kgf´cm, 48 in.´lbf)
4. DISCONNECT STABILIZER BAR LINK FROM SHOCK
ABSORBER (See page SA-63)
5. REMOVE SHOCK ABSORBER WITH COIL SPRING
(a) Loosen the 2 nuts on the lower side of the shock absorber.
Torque:
Reused nut: 196 N´m (2,000 kgf´cm, 145 ft´lbf)
New nut: 255 N´m (2,600 kgf´cm, 188 ft´lbf)
HINT:
At the time of installation, coat the nut's threads with engine oil.
(b) Support the rear axle carrier with a jack.
(c) Remove the cap.
(d) Loosen the nut in the center of the suspension support.
NOTICE:
Do not remove it.
Torque: 49 N´m (500 kgf´cm, 36 ft´lbf)
HINT:
If not disassembling the shock absorber, it is not necessary to
loosen the nut.
(e) Remove the 3 nuts of the suspension support.
Torque: 39 N´m (400 kgf´cm, 29 ft´lbf)
(f) Lower the rear axle carrier and remove the 2 bolts on the
lower side of the shock absorber.
(g) Remove the shock absorber with the coil spring.