TOYOTA AVALON 2001 Service Repair Manual

SF0SO-03
B01689
12
Battery positive voltage is applied
Battery positive voltage is cut offValve moves in direction
Valve moves in direction
- SFICAMSHAFT TIMING OIL CONTROL VALVE
SF-51
1160 Author
: Date
:
2001 AVALON (RM808U)
INSPECTION
INSPECT CAMSHAFT OIL CONTROL VALVE OPERATION
Connect the positive (+) lead from the battery to terminal 1 and
negative (-) lead to terminal 2, and check the movement of the
valve.
If operation is not as specified, replace the valve.

SF0SP-06
SF-52
- SFICAMSHAFT TIMING OIL CONTROL VALVE
1161 Author
: Date
:
2001 AVALON (RM808U)
INSTALLATION
Installation is in the reverse order of removal (See page SF-50).

B06690
Ohmmeter
SF0SL-03
SF-48
- SFICAMSHAFT TIMING OIL CONTROL VALVE
1157 Author
: Date
:
2001 AVALON (RM808U)
CAMSHAFT TIMING OIL CONTROL
VA LV E
ON-VEHICLE INSPECTION
INSPECT OIL CONTROL VALVE RESISTANCE
(a) Remove the V-bank cover.
(b) Disconnect the oil control valve connector.
(c) Using an ohmmeter, measure the resistance between the
terminals.
Resistance: 6.9 - 7.9 W at 20°C (68°F)
If the resistance is not as specified, replace the valve.
(d) Reconnect the oil control valve connector.
(e) Reinstall the V-bank cover.

SF0ZY-03
A10518
5 mm
Hexagon
Wrench
B06691
SF-50
- SFICAMSHAFT TIMING OIL CONTROL VALVE
1159 Author
: Date
:
2001 AVALON (RM808U)
REMOVAL
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.
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.
2. REMOVE CAMSHAFT TIMING OIL CONTROL VALVES
(a) Disconnect the 2 camshaft oil control valve connectors.
(b) Remove the bolt, camshaft oil control valve and O-ring.
Remove the 2 camshaft oil control valves.
Torque: 7.5 N´m (80 kgf´cm, 66 in.´lbf)
(c) Remove the O-ring from the each camshaft oil control
valve.
HINT:
At the time of installation, please refer to the following items.
Use a new O-ring.

SF0MX-02
B09665
Glove Compartment
Cowl Side Trim
Front Door Inside Scuff PlateECM Connector
ECM
SF-82
- SFIENGINE CONTROL MODULE (ECM)
1191 Author
: Date
:
2001 AVALON (RM808U)
ENGINE CONTROL MODULE (ECM)
COMPONENTS

SF0MY-01
- SFIENGINE CONTROL MODULE (ECM)
SF-83
1192 Author
: Date
:
2001 AVALON (RM808U)
INSPECTION
1. REMOVE ECM
2. INSPECT ECM (See page DI-20)
3. REINSTALL ECM

SF06Q-05
B06679
ECT Switch
19 mm
Deep Socket
Wrench
Gasket
S01196S01699Z17274
Ohmmeter
Resistance kW
Temperature °C (°F) Acceptable 30
20
10
5
3
2
1
0.5
0.3
0.2
0.1
40 -20 0 20 60 80 100
(212) (176) (140) (104) (68) (32) (-4)
- SFIENGINE COOLANT TEMPERATURE (ECT) SENSOR
SF-73
1182 Author
: Date
:
2001 AVALON (RM808U)
ENGINE COOLANT
TEMPERATURE (ECT) SENSOR
INSPECTION
1. DRAIN ENGINE COOLANT
2. REMOVE ECT SENSOR
(a) Disconnect the ECT sensor connector.
(b) Using a 19 mm deep socket wrench, remove the ECT
sensor and gasket.
3. INSPECT ECT SENSOR
Using an ohmmeter, measure the resistance between the ter-
minals.
Resistance: Refer to the graph
If the resistance is not as specified, replace the ECT sensor.
4. REINSTALL ECT SENSOR
(a) Install a new gasket to the ECT sensor.
(b) Using a 19 mm deep socket, install the ECT sensor.
Torque: 20 N´m (200 kgf´cm, 14 ft´lbf)
(c) Connect the ECT sensor connector.
5. REFILL WITH ENGINE COOLANT

B09125
EFI
Main
Relay
SF16C-01
S04947
Continuity
Ohmmeter
Ohmmeter
No Continuity 12
35
S04946
BatteryOhmmeter
Continuity 12
35
SF-60
- SFIEFI MAIN RELAY
1169 Author
: Date
:
2001 AVALON (RM808U)
EFI MAIN RELAY
INSPECTION
1. REMOVE RELAY BOX COVER
2. REMOVE EFI MAIN RELAY (Marking: EFI)
3. INSPECT EFI MAIN RELAY CONTINUITY
(a) Using an ohmmeter, check that there is continuity be-
tween terminals 1 and 2.
If there is no continuity, replace the relay.
(b) Check that there is no continuity between terminals 3 and
5.
If there is continuity, replace the relay.
4. INSPECT EFI MAIN RELAY OPERATION
(a) Apply battery voltage across terminals 1 and 2.
(b) Using an ohmmeter, check that there is continuity be-
tween terminals 3 and 5.
If there is no continuity, replace the relay.
5. REINSTALL EFI MAIN RELAY
6. REINSTALL RELAY BOX COVER

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