fuel TOYOTA AVENSIS 2003 Service Workshop Manual

100FG±01
A77870
Mass Air Flow
Meter Connector
N´m (kgf´cm, ft´lbf) : Specified torqueEngine Cover Sub±assy
No. 1
7.0 (71, 62 in.

lbf)
Fuel Vapor Feed Hose
No. 2
Air Cleaner Cap
Sub±assy VSV
Connector
Fuel Vapor Feed Hose
Clip
Engine Room Cover Side
Radiator Support Opening Cover
Clip Retainer
x2
x4
10±24
±
ENGINE CONTROL SYSTEM THROTTLE BODY ASSY (1AZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
THROTTLE BODY ASSY (1AZ±FE)
COMPONENTS
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A77871
Non±reusable part
N´m (kgf´cm, ft´lbf) : Specified torque ISC Valve

ISC Valve Gasket
Fuel Vapor Feed HoseThrottle Position Sensor
Accelerator Control Cable
Assy
Throttle Body Gasket
Water By±pass Hose No. 2Water By±pass Hose Fuel Tube Sub±assy
Fuel Pipe Support
Throttle Position Sensor
Connector
ISC Valve Connector
13 (129, 9)30 (306, 22)
Throttle Body Assy
±
ENGINE CONTROL SYSTEM THROTTLE BODY ASSY (1AZ±FE)
10±25
AVENSIS REPAIR MANUAL (RM1018E)
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A77873
(a)
(c)
(b)
(d)
(h)
(i)
(g)
(g)
(f)
(e)
Air cleaner clamp
(c)
A77874
±
ENGINE CONTROL SYSTEM THROTTLE BODY ASSY (1AZ±FE)
10±27
AVENSIS REPAIR MANUAL (RM1018E)
5. REMOVE AIR CLEANER CAP SUB±ASSY
(a) Disconnect the mass air flow meter connector.
(b) Disconnect the VSV connector.
(c) Remove the 2 wire harness clamps.
(d) Disconnect the ventilation hose.
(e) Disconnect the fuel vapor feed hose No. 1.
(f) Disconnect the fuel vapor feed hose N0. 2.
(g) Remove the fuel vapor feed hose No. 2 from 2 clamps of
the air cleaner hose.
(h) Lock the hose clamp as shown in the illustration.
(i) Raise the air cleaner clamp up, slide it to the air cleaner cap.
(j) Remove the air cleaner cap together with air cleaner hose No. 1.
6. SEPARATE ACCELERATOR CONTROL CABLE ASSY
(a) Loosen the nut and separate the accelerator control cable.
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A77875
(a)
(b)
(c)
(d)
(e)
A81619
A77876
A77877
A77878
10±28
±
ENGINE CONTROL SYSTEM THROTTLE BODY ASSY (1AZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
7. REMOVE THROTTLE BODY ASSY
(a) Disconnect the throttle position sensor connector.
(b) Disconnect the ISC valve connector.
(c) Disconnect the water by±pass hose No. 2.
(d) Disconnect the water by±pass hose.
(e) Remove the fuel tube from the fuel pipe support.
(f) Remove the 3 bolts, and then remove the fuel pipe sup- port and the throttle body.
(g) Remove the gasket from the intake manifold.
8. REMOVE FUEL VAPOR FEED HOSE NO.2
(a) Remove the fuel vapor feed hose No. 2 from the throttle body.
9. REMOVE ISC VALVE
(a) Remove the 3 screws, and then remove the ISC valve.
(b) Remove the gasket from the throttle body.
10. REMOVE THROTTLE POSITION SENSOR
(a) Remove the 2 screws, and then remove the throttle posi- tion sensor.
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A77879
45

A77880
83.8 mm
(3.299 in.)
Rotation
Center of
Throttle Link
±
ENGINE CONTROL SYSTEMTHROTTLE BODY ASSY(1AZ±FE)
10±29
AVENSIS REPAIR MANUAL (RM1018E)
11.INSTALL THROTTLE POSITION SENSOR
(a)Make sure that throttle valve is fully closed.
(b)With the throttle position sensor rotated 45
counter-
clockwise about the fully closed position of the throttle
valve, install the throttle position sensor to the throttle
body.
(c)Rotate the throttle position sensor clockwise and secure
it with the 2 screws.
12.INSTALL ISC VALVE
(a)Install a new gasket to the throttle body.
(b)Install the ISC valve with the 3 screws.
13.INSTALL FUEL VAPOR FEED HOSE NO.2
14.INSTALL THROTTLE BODY ASSY
(a)Install a new gasket to the intake manifold.
(b)Install the throttle body and the fuel pipe support with the 3 bolts.
Torque: 30 N
m (306 kgf
cm, 22 ft
lbf)
(c)Install the fuel tube to the fuel pipe support.
(d)Connect the water by±pass hose.
(e)Connect the water by±pass hose No. 2.
(f)Connect the ISC valve connector.
(g)Connect the throttle position sensor connector.
15.INSTALL ACCELERATOR CONTROL CABLE ASSY
(a)Instal the accelerator control cable as shown in the il- lustration.
Torque: 13 N
m (129 kgf
cm, 9 ft
lbf)
16.INSTALL AIR CLEANER CAP SUB±ASSY
17.INSTALL ENGINE COVER SUB±ASSY NO.1 Torque: 7.0 N
m (71 kgf
cm, 62 in.
lbf)
18.ADD ENGINE COOLANT (See page 16±19)
19.CHECK FOR ENGINE COOLANT LEAKS (See page 16±13)
20. INSTALL ENGINE ROOM COVER SIDE
21. INSTALL RADIATOR SUPPORT OPENING COVER
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100FI±01
A78507
Mass Air Flow
Meter Connector
N´m (kgf´cm, ft´lbf) : Specified torqueEngine Cover Sub±assy
No. 1
7.0 (71, 62 in.

lbf)
Air Cleaner Cap
Sub±assy VSV
Connector
Fuel Vapor Feed Hose
Clip
Engine Room Cover Side
Radiator Support Opening Cover
Clip Retainer
x2
x4
1.5 (15, 13 in.
lbf)
10±42
±
ENGINE CONTROL SYSTEM THROTTLE BODY ASSY (1AZ±FSE)
AVENSIS REPAIR MANUAL (RM1018E)
THROTTLE BODY ASSY (1AZ±FSE)
COMPONENTS
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100FJ±01
A78509
A81620
(a)(c)
(c)
(b)
(d)
(f)
(g)
(d)
(h)
Air Cleaner Clamp
A78510
10±44
±
ENGINE CONTROL SYSTEMTHROTTLE BODY ASSY(1AZ±FSE)
AVENSIS REPAIR MANUAL (RM1018E)
REPLACEMENT
1.REMOVE ENGINE ROOM COVER SIDE (See page 10±26)
2.REMOVE RADIATOR SUPPORT OPENING COVER (See page 10±26)
3.DRAIN ENGINE COOLANT (See page 16±31) 4. REMOVE ENGINE COVER SUB±ASSY NO.1
(a) Remove the 2 nuts, and then remove the engine coverNo. 1.
5. REMOVE AIR CLEANER CAP SUB±ASSY
(a) Disconnect the mass air flow meter connector.
(b) Disconnect the VSV connector.
(c) Remove the 2 wire harness clamps.
(d) Disconnect the ventilation hose.
(e) Disconnect the fuel vapor feed hose No. 1.
(f) Disconnect the fuel vapor feed hose No. 2.
(g) Loosen the hose clamp bolt.
(h) Raise the air cleaner clamp up, slide it to the air cleaner cap.
(i) Remove the air cleaner cap together with the air cleaner hose No. 1.
6. REMOVE THROTTLE BODY ASSY
(a) Remove the bolt, and then remove the wire harness pro- tector.
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100FB±01
A78454
N´m (kgf´cm, ft´lbf) : Specified torqueClip
Cylinder Head Cover No.2Fuel
Vapor Feed Hose No.1VSV
Connector
Mass Air Flow
Meter Connector
Accelerator Control
Cable Assy
Fuel Vapor Feed Hose
No.3
Engine Room Cover Side
Radiator Support Opening Cover
Clip Retainer
7.0 (71, 62 in.´lbf)
Clip
1.5 (15, 13 in.´lbf)
13 (129, 9)
Air Cleaner Cap
Sub±assy
x2
x4
±
ENGINE CONTROL SYSTEM THROTTLE BODY ASSY (1ZZ±FE)
10±7
AVENSIS REPAIR MANUAL (RM1018E)
THROTTLE BODY ASSY (1ZZ±FE)
COMPONENTS
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A78460
(a)
(b)(c)
(c)
(d)
(e)
(f)
(g)
(h)
Air Cleaner clamp
A78461
A78462
(a)
(b)
(c)
A78463
(d)
(e)
(M/T)
10±10
±
ENGINE CONTROL SYSTEM THROTTLE BODY ASSY (1ZZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
5. REMOVE AIR CLEANER CAP SUB±ASSY
(a) Disconnect the mass air flow meter connector.
(b) Disconnect the VSV connector.
(c) Remove the 2 wire harness clamps.
(d) Disconnect the fuel vapor feed hose No. 1.
(e) Disconnect the fuel vapor feed hose No. 3.
(f) Remove the accelerator control cable from the accelera- tor control cable support No. 2.
(g) Loosen the hose clamp.
(h) Raise the air cleaner clamp up, slide it to the air cleaner cap.
(i) Remove the air cleaner cap together with the air cleaner
hose No. 1.
6. SEPARATE ACCELERATOR CONTROL CABLE ASSY
(a) Loosen the nut and separate the accelerator control cable.
7. REMOVE THROTTLE BODY ASSY
(a) Disconnect the water by±pass hose.
(b) Disconnect the water by±pass hose No. 2.
(c) Disconnect the ventilation hose.
(d) Disconnect the throttle position sensor connector.
(e) Disconnect the ISC valve connector.
(f) Remove the 3 bolts and 2 nuts, and then remove the throttle body bracket and the throttle body. (A/T)
(g) Remove the 5 bolts and 2 nuts, and then remove the throttle body bracket and the throttle body. (M/T)
(h) Remove the gasket from the intake manifold.
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100FD±01
A78454
N´m (kgf´cm, ft´lbf) : Specified torqueClip
Cylinder Head Cover No.2Fuel
Vapor Feed Hose No.1VSV
Connector
Mass Air Flow
Meter Connector
Accelerator Control
Cable Assy
Fuel Vapor Feed Hose
No.3
Engine Room Cover Side
Radiator Support Opening Cover
Clip Retainer
7.0 (71, 62 in.´lbf)
Clip
1.5 (15, 13 in.´lbf)
13 (129, 9)
Air Cleaner Cap
Sub±assy
x2
x4
±
ENGINE CONTROL SYSTEM THROTTLE BODY ASSY (3ZZ±FE)
10±13
AVENSIS REPAIR MANUAL (RM1018E)
THROTTLE BODY ASSY (3ZZ±FE)
COMPONENTS
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