2001 TOYOTA AVALON Service Repair Manual

A10518
5 mm
Hexagon
Wrench
SF071-05
A10838
TOYOTA Hand-Held Tester
DLC3
B06523
Sound Scope
SF-84
- SFIFUEL CUT RPM
1193 Author
: Date
:
2001 AVALON (RM808U)
FUEL CUT RPM
INSPECTION
1. REMOVE V-BANK COVER
(a) Using a 5 mm hexagon wrench, remove the 3 cap nuts.
(b) Loosen the V-bank cover fastener counterclockwise.
(c) Remove the V-bank cover.
2. WARM UP ENGINE
Allow the engine to warm up to normal operating temperature.
3. CONNECT LEXUS HAND-HELD TESTER OR OBDII
SCAN TOOL
(a) Connect the TOYOTA hand-held tester or OBDII scan
tool to the DLC3.
(b) Please refer to the TOYOTA hand-held tester or OBDII
scan tool operator's manual for further details.
4. INSPECT FUEL CUT OFF PRM
(a) Increase the engine speed to at least 3,500 rpm.
(b) Use a sound scope to check for injector operating noise.
(c) Check that when the throttle lever is released, injector op-
eration noise stops momentarily and then resumes.
HINT:
Measure with the A/C OFF.
Fuel return rpm: 1,200 rpm
5. DISCONNECT LEXUS HAND-HELD TESTER OR
OBDII SCAN TOOL
6. REINSTALL V-BANK COVER
(a) Using 5 mm hexagon wrench, install the V-bank cover
with the 3 cap nuts.
(b) Press down the V-bank cover fastener.

SF0LJ-02
B09788
Rear Seat Cushion
Floor Service Hole Cover
Fuel Pump & Sender
Gauge Connector
No.1 Fuel Tank Protector
Fuel Tank Vent Tube Set Plate
Fuel Pump Assembly
Fuel Pressure
Regulator
Fuel Filter
Gasket
O-Ring
N´m (kgf´cm, ft´lbf) : Specified torque

Non-reusable part
O-Ring
4 (40, 35 in.´lbf)
SF-16
- SFIFUEL PRESSURE REGULATOR
1125 Author
: Date
:
2001 AVALON (RM808U)
FUEL PRESSURE REGULATOR
COMPONENTS

SF0LL-01
SF-18
- SFIFUEL PRESSURE REGULATOR
1127 Author
: Date
:
2001 AVALON (RM808U)
INSTALLATION
Installation is in the reverse order of removal (See page SF-17).

SF0LK-01
B02379
B02380
- SFIFUEL PRESSURE REGULATOR
SF-17
1126 Author
: Date
:
2001 AVALON (RM808U)
REMOVAL
1. REMOVE FUEL PUMP ASSEMBLY FROM FUEL TANK
(See page SF-1 1)
2. REMOVE FUEL FILTER
(a) Remove the screw, and pull out the fuel filter.
Torque: 2.0 N´m (20 kgf´cm, 17 in.´lbf)
(b) Remove the O-ring from the fuel filter.
HINT:
At the time of installation, please refer to the following items. Ap-
ply a light coat of gasoline to a new O-ring, and install it to the
fuel filter.
3. REMOVE FUEL PRESSURE REGULATOR
(a) Remove the screw, and pull out the pressure regulator.
Torque: 2.0 N´m (20 kgf´cm, 17 in.´lbf)
(b) Remove the O-ring from the pressure regulator.
HINT:
At the time of installation, please refer to the following items. Ap-
ply a light coat of gasoline to a new O-ring, and install it to the
pressure regulator.

SF0LR-02
B09083
Heated Oxygen Sensor (Bank 1 Sensor 2)
Before installing the heated oxygen sensor,
twist the sensor wire counterclockwise
3 and 1/2 turns. HINT:
After installing the heated oxygen sensor,
check that the sensor wire is not twisted,
if it is twisted,remove the heated oxygen
sensor and reinstall it.
The Location of Fuel Tank Cushion
No.1 Fuel Tank
Protector
Fuel Tank Vent
Tube Set Plate
Fuel Pump
Fuel Outlet Tube
Fuel TankFuel Inlet Hose
Fuel Inlet Pipe Fuel Inlet Pipe Shield
Fuel Tank Cap
Fuel Inlet Pipe Protector
Heated Oxygen Sensor
(Bank 1 Sensor 2)Heat Insulator Fuel Tank Band
Center Exhaust Pipe  Gasket Gasket  Gasket
 Non-reusable part
N´m (kgf´cm, ft´lbf): Specified torque
39 (400, 29)
44 (450, 33)
43 (440, 32)
x 8

 Gasket
Compression
Spring
43 (440, 32)
EVAP Line Hose
Vent Line Hose
Charcoal
Canister
- SFIFUEL TANK AND LINE
SF-27
1136 Author
: Date
:
2001 AVALON (RM808U)
FUEL TANK AND LINE
COMPONENTS
CAUTION:
Always use new gaskets when replacing the fuel tank or component parts.
Apply the proper torque to all parts tightened.

SF0LS-01
BO0919
Crack Leakage
Deformation
Z10162
SSTUse SST
28 N´m
(285 kgf´cm, 21 ft´lbf)
Fulcrum
Length
30 cm
(11.81 in.)
SST: 09631-22020
FU0041
PipeHose
Clip 2 - 7 mm (0.08 - 0.28 in.)
0 - 3 mm (0 - 0.12 in.)
SF-28
- SFIFUEL TANK AND LINE
1137 Author
: Date
:
2001 AVALON (RM808U)
INSPECTION
INSPECT FUEL TANK AND LINE
(a) Check the fuel lines for cracks or leakage, and all connec-
tions for deformation.
(b) Check the fuel tank vapor vent system hoses and connec-
tions for looseness, sharp bends or damage.
(c) Check the fuel tank for deformation, cracks, fuel leakage
or tank band looseness.
(d) Check the filler neck for damage or fuel leakage.
(e) Hose and pipe connections are as shown in the illustra-
tion.
If a problem is found, repair or replace the parts as necessary.

SF0LE-02
B09787
Rear Seat Cushion

Gasket
4 (40, 35 in.´lbf)
Floor Service Hole Cover
Fuel Pump & Sender
Gauge Connector
No.1 Fuel Tank Protector
Fuel Tank Vent Tube Set Plate
Fuel Filter Fuel Pump Flange
Fuel Pump
Fuel Pump Filter
Rubber Cushion
N´m (kgf´cm, ft´lbf)

Non-reusable partHousing
ºCº Bracket Fuel Sender Gauge
Lead Wire
: Specified torque
Fuel Sender Gauge
Connector
Ground
Plate
Fuel Pump Assembly

Clip
O-Ring
SF-10
- SFIFUEL PUMP
111 9 Author
: Date
:
2001 AVALON (RM808U)
COMPONENTS

SF0LG-01
S06028
S06033
A
Push
B02379
S06030
(1)
(2)(3)
S06027
SF-12
- SFIFUEL PUMP
1121 Author
: Date
:
2001 AVALON (RM808U)
DISASSEMBLY
1. DISCONNECT FUEL PUMP CONNECTOR
2. DISCONNECT GROUND PLATE
3. DISCONNECT FUEL SENDER GAUGE CONNECTOR
4. REMOVE FUEL SENDER GAUGE
Push down the portion of A with a finger, and push up the send-
er gauge.
NOTICE:
Be careful that the arm of the sender gauge should not
bend.
5. REMOVE FUEL FILTER
(a) Remove the screw, and pull out the fuel filter.
(b) Remove the O-ring from the fuel filter.
HINT:
At the time of installation, please refer to the following items.
Install the pump filter with a new clip.
6. REMOVE FUEL PUMP FLANGE
Using a screwdriver, remove the snap fit portion in the order of
1, 2 and 3 as shown in the illustration.
HINT:
At the time of installation, please refer to the following items. Ap-
ply a light coat of gasoline to a new O-ring, and install it to the
fuel filter.
7. REMOVE FUEL PUMP LEAD WIRE