2001 TOYOTA AVALON Service Repair Manual

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).

B09093
- SFITHROTTLE BODY
SF-37
1146 Author
: Date
:
2001 AVALON (RM808U)
(l) Remove the 3 nuts, throttle body and gasket.
HINT:
At the time of installation, please refer to the following items.
Place a new gasket on the air intake chamber.
Torque: 29 N´m (300 kgf´cm, 22 ft´lbf)

SF16B-01
B06510
B06507
B06512
B06513
SF-40
- SFITHROTTLE BODY
1149 Author
: Date
:
2001 AVALON (RM808U)
REPLACEMENT
NOTICE:

Do not give a shock to the throttle position senor.

Do not disassemble or adjust the throttle opener.
1. REPLACE THROTTLE POTION SENSOR
(a) Remove the 2 screws and throttle position sensor.
(b) Reinstall a new throttle position sensor.
(1) Check that the throttle valve is fully close.
(2) Insert the sensor to the throttle body with it turned
counterclockwise by 30° to 60° against the fully-
close valve position.
(3) By turning the sensor clockwise, tighten the 2
screws.
2. REPLACE IAC VALVE
(a) Remove the 4 screws, bracket, IAC valve and gasket.
(b) Place a new gasket on the No.1 throttle body.
(c) Reinstall a new IAC valve with the 4 screws and bracket.
3. REPLACE THROTTLE BODIES
(a) Remove the 2 screws and protector.

B09117
B05128
New
Gasket
New
O-RingNew
Gasket
New
O-Ring
B09117
- SFITHROTTLE BODY
SF-41
1150 Author
: Date
:
2001 AVALON (RM808U)
(b) Remove the 6 screws, No.1 throttle body, No.2 throttle
body and 2 gaskets from the No.1 intake air control valve.
(c) Place 2 new gaskets and 2 new O-rings as shown in the
illustration.
(d) Reinstall a new No.1 throttle body and No.2 throttle body
with the 6 screws.
Torque: 6.9 N´m (70 kgf´cm, 61 in.´lbf)

SF100-01
B06503
V-Bank Cover
Vacuum Hose
VSV for No.1 ACIS
VSV Connector for EVAP
VSV Connector for
No.2 ACIS
Emission Control Valve Set VSV Connector for
No.1 ACIS No.1
SF-66- SFIVSV FOR ACOUSTIC CONTROL INDUCTION
SYSTEM (ACIS)
1175 Author
: Date
:
2001 AVALON (RM808U)
VSV FOR ACOUSTIC CONTROL INDUCTION SYSTEM (ACIS)
COMPONENTS

B06502
V-Bank Cover
Vacuum HoseVSV for No.2 ACISVSV Connector for EVAP
VSV Connector for
No.2 ACIS Emission Control Valve Set
VSV Connector for
No.1 ACIS No.2
- SFIVSV FOR ACOUSTIC CONTROL INDUCTION
SYSTEM (ACIS)SF-67
1176 Author
: Date
:
2001 AVALON (RM808U)

SF06N-03
S04525
Ohmmeter
Continuity
S04524
Ohmmeter
No Continuity
FI6393
Air
E
Filter
S04523
Air
E
F
Battery SF-68
- SFIVSV FOR ACOUSTIC CONTROL INDUCTION
SYSTEM (ACIS)
1177 Author
: Date
:
2001 AVALON (RM808U)
INSPECTION
1. REMOVE V- BANK COVER, AND EMISSION CON-
TROL VALVE SET
2. REMOVE VSV
(a) Disconnect the 2 vacuum hoses from the VSV.
(b) Remove the screw and VSV.
3. INSPECT VSV FOR OPEN CIRCUIT
Using an ohmmeter, check that there is continuity between
each terminals.
Resistance: 33 - 39 W at 20°C (68°F)
If there is no continuity, replace the VSV.
4. INSPECT VSV FOR GROUND
Using an ohmmeter, check that there is no continuity between
each terminal and the body.
If there is continuity, replace the VSV.
5. INSPECT VSV OPERATION
(a) Check that air flows from port E to the filter.
(b) Apply battery voltage across the terminals.
(c) Check that air flows from port E to port F.
If operation is not as specified, replace the VSV.
6. REINSTALL VSV
(a) Install the VSV with the screw.
(b) Connect the 2 vacuum to the VSV.
7. REINSTALL EMISSION CONTROL VALVE SET
8. REINSTALL V-BANK COVER

SF16F-01
B09130
VSV for Canister Closed Valve (CCV)
VSV Connector for Canister Closed Valve (CCV)
Air Hose

O-Ring

Non-reusable part
- SFIVSV FOR CANISTER CLOSED VALVE (CCV)
SF-69
1178 Author
: Date
:
2001 AVALON (RM808U)
VSV FOR CANISTER CLOSED VALVE (CCV)
COMPONENTS