TOYOTA AVENSIS 2003 Service Repair Manual

A77920
RHD:
LHD:
A77921
(b)
A77922
A78435
A78436
Upper
Engine
Front
10

10


±
ENGINE CONTROL SYSTEM KNOCK SENSOR (1AZ±FE)
10±35
AVENSIS REPAIR MANUAL (RM1018E)
14. REMOVE INTAKE MANIFOLD
(a) Disconnect the union to connector tube hose.
(b) Remove the wire harness clamp.
(c) Remove the 5 bolts and 2 nuts, and then remove the in-
take manifold.
(d) Remove the gasket from the intake manifold.
15. REMOVE INTAKE MANIFOLD INSULATOR NO.1
16. REMOVE KNOCK SENSOR
(a) Disconnect the knock sensor connector.
(b) Remove the nut, and then remove the knock sensor.
17. INSTALL KNOCK SENSOR
(a) Install the knock sensor with the nut as shown in the il- lustration.
Torque: 20 N
m (204 kgf
cm, 15 ft
lbf)
(b) Connect the knock sensor connector.
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10±36
±
ENGINE CONTROL SYSTEMKNOCK SENSOR(1AZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
18.INSTALL INTAKE MANIFOLD INSULATOR NO.1
19.INSTALL INTAKE MANIFOLD
(a)Install a new gasket to the intake manifold.
(b)Install the intake manifold with the 5 bolts and 2 nuts. Torque: 30 N
m (306 kgf
cm, 22 ft
lbf)
(c)Install the wire harness clamp.
(d)Connect the union to connector tube hose.
20.CONNECT HEATER INLET WATER HOSE
21.INSTALL CHARCOAL CANISTER ASSY
22.INSTALL VARIABLE RESISTOR (LHD STEERING POSITION TYPE, LEADED GASOLINE) Torque: 5.0 N
m (51 kgf
cm, 44 in.
lbf)
23.INSTALL FUEL DELIVERY PIPE SUB±ASSY (See page 11±26)
24.CONNECT FUEL TUBE SUB±ASSY (See page 11±26)
25.INSTALL THROTTLE BODY ASSY (See page 10±26)
26.INSTALL ACCELERATOR CONTROL CABLE ASSY (See page 10±26)
27. INSTALL AIR CLEANER CAP SUB±ASSY
28.ADD ENGINE COOLANT (See page 16±19)
29.CHECK FOR ENGINE COOLANT LEAKS (See page 16±13)
30.CHECK FOR FUEL LEAKS (See page 11±19)
31.INSTALL ENGINE COVER SUB±ASSY NO.1 (See page 10±26)
32. INSTALL ENGINE ROOM COVER SIDE
33. INSTALL RADIATOR SUPPORT OPENING COVER
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100FK±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±30
±
ENGINE CONTROL SYSTEM KNOCK SENSOR (1AZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
KNOCK SENSOR (1AZ±FE)
COMPONENTS
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A78452
Non±reusable part
N´m (kgf´cm, ft´lbf) : Specified torque Accelerator
Control Cable Assy

Throttle Body
Gasket
Water By±pass Hose No. 2 Water 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 KNOCK SENSOR (1AZ±FE)
10±31
AVENSIS REPAIR MANUAL (RM1018E)
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A78453
Non±reusable part
N´m (kgf´cm, ft´lbf) : Specified torque
20 (204, 15)
Fuel Injector
Connector
EFI Fuel Pipe Clamp
Fuel Tube Sub±assy
Injector Vibration Insulator Delivery Pipe No. 1
Spacer
Fuel Delivery Pipe Sub±assy
Ventilation Hose No. 2
10±32
±
ENGINE CONTROL SYSTEM KNOCK SENSOR (1AZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
http://vnx.su

A77916
Non±reusable part
N´m (kgf´cm, ft´lbf) : Specified torque
30 (306, 22)
Heater Inlet Water Hose
Knock Sensor
ConnectorKnock Sensor
20 (204, 15)
Intake Manifold Insulator No. 1


Intake Manifold
to Head Gasket No. 1
Intake Manifold
LHD Steering Position Type,
Leaded Gasoline:
Variable Resister
5.0 (51, 44 in.
lbf)
Charcoal Canister Assy
Variable Resister Connector
Charcoal Canister
Outlet Hose No. 1
Fuel Hose
x5
±
ENGINE CONTROL SYSTEM KNOCK SENSOR (1AZ±FE)
10±33
AVENSIS REPAIR MANUAL (RM1018E)
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100FL±01
A77917
A77918
(a)
(b)
A77919
10±34
±
ENGINE CONTROL SYSTEMKNOCK SENSOR(1AZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
REPLACEMENT
1.DISCHARGE FUEL SYSTEM PRESSURE (See page 11±15)
2.REMOVE ENGINE ROOM COVER SIDE (See page 10±26)
3.REMOVE RADIATOR SUPPORT OPENING COVER (See page 10±26)
4.ENGINE COOLANT (See page 16±19)
5.REMOVE ENGINE COVER SUB±ASSY NO.1 (See page 10±26)
6.REMOVE AIR CLEANER CAP SUB±ASSY (See page 10±26)
7.SEPARATE ACCELERATOR CONTROL CABLE ASSY (See page 10±26)
8.REMOVE THROTTLE BODY ASSY (See page 10±26)
9.DISCONNECT FUEL TUBE SUB±ASSY (See page 11±26) SST 09268±21010
10.REMOVE FUEL DELIVERY PIPE SUB±ASSY (See page 11±26)
11. REMOVE VARIABLE RESISTOR (LHD STEERINGPOSITION TYPE, LEADED GASOLINE)
(a) Disconnect the variable resistor connector.
(b) Remove the bolt, and then remove the variable resistor.
12. REMOVE CHARCOAL CANISTER ASSY
(a) Disconnect the charcoal canister outlet hose No. 1.
(b) Disconnect the fuel hose.
(c) Pull up and remove the charcoal canister.
13. DISCONNECT HEATER INLET WATER HOSE
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A77920
RHD:
LHD:
A77921
(b)
A77922
A78435
A78436
Upper
Engine
Front
10

10


±
ENGINE CONTROL SYSTEM KNOCK SENSOR (1AZ±FE)
10±35
AVENSIS REPAIR MANUAL (RM1018E)
14. REMOVE INTAKE MANIFOLD
(a) Disconnect the union to connector tube hose.
(b) Remove the wire harness clamp.
(c) Remove the 5 bolts and 2 nuts, and then remove the in-
take manifold.
(d) Remove the gasket from the intake manifold.
15. REMOVE INTAKE MANIFOLD INSULATOR NO.1
16. REMOVE KNOCK SENSOR
(a) Disconnect the knock sensor connector.
(b) Remove the nut, and then remove the knock sensor.
17. INSTALL KNOCK SENSOR
(a) Install the knock sensor with the nut as shown in the il- lustration.
Torque: 20 N
m (204 kgf
cm, 15 ft
lbf)
(b) Connect the knock sensor connector.
http://vnx.su

10±36
±
ENGINE CONTROL SYSTEMKNOCK SENSOR(1AZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
18.INSTALL INTAKE MANIFOLD INSULATOR NO.1
19.INSTALL INTAKE MANIFOLD
(a)Install a new gasket to the intake manifold.
(b)Install the intake manifold with the 5 bolts and 2 nuts. Torque: 30 N
m (306 kgf
cm, 22 ft
lbf)
(c)Install the wire harness clamp.
(d)Connect the union to connector tube hose.
20.CONNECT HEATER INLET WATER HOSE
21.INSTALL CHARCOAL CANISTER ASSY
22.INSTALL VARIABLE RESISTOR (LHD STEERING POSITION TYPE, LEADED GASOLINE) Torque: 5.0 N
m (51 kgf
cm, 44 in.
lbf)
23.INSTALL FUEL DELIVERY PIPE SUB±ASSY (See page 11±26)
24.CONNECT FUEL TUBE SUB±ASSY (See page 11±26)
25.INSTALL THROTTLE BODY ASSY (See page 10±26)
26.INSTALL ACCELERATOR CONTROL CABLE ASSY (See page 10±26)
27. INSTALL AIR CLEANER CAP SUB±ASSY
28.ADD ENGINE COOLANT (See page 16±19)
29.CHECK FOR ENGINE COOLANT LEAKS (See page 16±13)
30.CHECK FOR FUEL LEAKS (See page 11±19)
31.INSTALL ENGINE COVER SUB±ASSY NO.1 (See page 10±26)
32. INSTALL ENGINE ROOM COVER SIDE
33. INSTALL RADIATOR SUPPORT OPENING COVER
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100F9±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)
±
ENGINE CONTROL SYSTEM KNOCK SENSOR (1AZ±FSE)
10±47
AVENSIS REPAIR MANUAL (RM1018E)
KNOCK SENSOR (1AZ±FSE)
COMPONENTS
http://vnx.su