ECU TOYOTA AVENSIS 2002 Owner's Manual

A60622
A79324
A76713
A64023
14±82
±
ENGINE MECHANICAL CYLINDER HEAD GASKET(1ZZ±FE/3ZZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
14.DISCONNECT FUEL TUBE SUB±ASSY (See page 11±11) SST09268±21010
15.DISCONNECT UNION TO CONNECTOR TUBE HOSE
(a)Disconnect the union to connector tube hose from the hose to hose tube.
16.DISCONNECT RADIATOR HOSE INLET
(a)Disconnect radiator hose inlet from the cylinder head.
17.DISCONNECT HEATER INLET WATER HOSE
(a)Disconnect the heater inlet water hose from the cylinder head.
18.REMOVE FAN AND GENERATOR V BELT
(a)Turn the V±ribbed belt tensioner clockwise slowly andloosen it. Remove the fan and generator V belt and put
back the V±ribbed belt tensioner carefully.
19.REMOVE V±RIBBED IDLER ASSY NO.1
(a)Remove the nut, bolt, tube and idler.
20.REMOVE GENERATOR ASSY (See page 19±7)
21. DISCONNECT IGNITION COIL ASSY
(a) Remove the 5 clamps from the 5 clamp brackets.
(b) Disconnect the 4 ignition coil connectors.
(c) Remove the 2 nuts which are used to secure the engine wire.
(d) Remove the 4 bolts and the 4 ignition coils.

A65078
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A64026
± ENGINE MECHANICALCYLINDER HEAD GASKET (1ZZ±FE/3ZZ±FE)
14±83
AVENSIS REPAIR MANUAL (RM1018E)
22. DISCONNECT VENTILATION HOSE
(a) Disconnect the ventilation hose from the cylinder head
cover.
23. DISCONNECT VENTILATION HOSE NO.2
(a) Disconnect the ventilation hose from the cylinder head
cover.
24. REMOVE INTAKE MANIFOLD
(a) Disconnect the 2 water hoses from the throttle body.
(b) Disconnect the ventilation hose and ventilation hose No.
2 from the cylinder head cover.
(c) Disconnect the vacuum hose from the water by±pass
pipe No. 1.
(d) Remove the 4 bolts, 2 nuts and 2 wire brackets.
(e) Remove the intake manifold and the throttle body assem-
bly.
(f) Remove the gasket from the intake manifold and the
throttle body assembly.
25. REMOVE OIL LEVEL GAGE SUB±ASSY
(a) Remove the oil level gage from the oil level gage guide.
26. REMOVE OIL LEVEL GAGE GUIDE
(a) Disconnect the crankshaft position sensor cramp.
(b) Remove the bolt and the oil level gage guide.
27. SEPARATE WATER BY±PASS PIPE NO.1
(a) Remove the 2 bolts which are used to secure the water
by±pass pipe.

B06777
A76720
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A01045
A64005
14±84
± ENGINE MECHANICALCYLINDER HEAD GASKET (1ZZ±FE/3ZZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
28. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE
ASSY
(a) Remove the bolt and the camshaft timing oil control valve.
29. SEPARATE EXHAUST PIPE ASSY FRONT
(a) Remove the 2 bolts and 2 compression springs which are
used to secure the front side of exhaust pipe.
(b) Remove the gasket.
30. REMOVE MANIFOLD STAY
(a) Remove the 3 bolts and the manifold stay.
31. REMOVE MANIFOLD STAY NO.2
(a) Remove the 3 bolts and the manifold stay No. 2.
32. REMOVE ENGINE MOUNTING INSULATOR
SUB±ASSY RH
(a) Place a wooden block on a jack underneath the engine.
Remove the 4 bolts and 2 nuts and detach the engine
mounting insulator RH.

A12816
A76692
A62178
Push
A10076
A30848
14±86
± ENGINE MECHANICALCYLINDER HEAD GASKET (1ZZ±FE/3ZZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
38. REMOVE TRANSVERSE ENGINE ENGINE
MOUNTING BRACKET
(a) Remove the 3 bolts and the transverse engine engine
mounting bracket.
39. REMOVE CRANKSHAFT POSITION SENSOR
(a) Remove the 2 bolts which are used to secure the crank-
shaft position sensor.
40. REMOVE CHAIN TENSIONER ASSY NO.1
(a) Remove the 2 nuts and the chain tensioner.
NOTICE:
Do not revolve the crankshaft without the chain tensioner.
41. REMOVE TIMING CHAIN OR BELT COVER
SUB±ASSY
(a) Remove the 11 bolts and nuts.
(b) Using a torx wrench socket (E8), remove the stud bolt.
(c) Remove the timing chain cover by prying between the cyl-
inder head and the cylinder block with a screwdriver.
NOTICE:
Be careful not to damage the timing chain cover, the cylin-
der head and the cylinder block.
42. REMOVE TIMING GEAR COVER OIL SEAL
(a) Using a screwdriver, remove the oil seal.
43. REMOVE CRANKSHAFT POSITION SENSOR PLATE
NO.1
44. REMOVE CHAIN TENSIONER SLIPPER
(a) Remove the bolt and the chain tensioner slipper.
45. REMOVE CHAIN VIBRATION DAMPER NO.1
(a) Remove the 2 bolt and the chain vibration damper.

141BF±01
A77281
A77301
±
ENGINE MECHANICAL PARTIAL ENGINE ASSY(1AZ±FE)
14±121
AVENSIS REPAIR MANUAL (RM1018E)
REPLACEMENT
1.DISCHARGE FUEL SYSTEM PRESSURE (See page 11±19)
2.REMOVE FRONT WHEELS
3.REMOVE RADIATOR SUPPORT OPENING COVER
4.REMOVE ENGINE ROOM COVER SIDE
5.REMOVE ENGINE UNDER COVER RH
6.REMOVE ENGINE UNDER COVER LH
7.DRAIN COOLANT (See page 16±19)
8.DRAIN ENGINE OIL
(a)Install a new gasket and the drain plug after draining engine oil.
Torque: 25 N
m (255 kgf
cm,18 ft
lbf)
9.DRAIN MANUAL TRANSAXLE OIL (M/T TRANSAXLE) Torque: 49 N
m (500 kgf
cm,36 ft
lbf)
10.DRAIN AUTOMATIC TRANSAXLE FLUID (A/T TRANSAXLE) (See page 40±2)
11.REMOVE ENGINE COVER SUB±ASSY NO.1
(a)Remove 2 nuts and the cylinder head cover No. 1.
12.DISCONNECT RADIATOR HOSE INLET
13.DISCONNECT RADIATOR HOSE OUTLET 14.SEPARATE RADIATOR RELAY BLOCK
(a)Remove 2 bolts and separate the radiator relay block.
15.SEPARATE COOLER REFRIGERANT SUCTION HOSE NO.1 (RHD(W/ AIR CONDITIONER) STEERING POSITION TYPE)
(a)Remove a bolt and separate the suction hose No. 1.
16.REMOVE RADIATOR ASSY (See page 16±24)
17.REMOVE FAN AND GENERATOR V BELT (See page 14±105)
18.REMOVE GENERATOR ASSY (See page 19±20)
19. REMOVE COMPRESSOR AND MAGNETIC CLUTCH (W/ AIR CONDITIONING)
(a) Remove 4 bolts and separate the compressor and magnetic clutch.
HINT:
Secure the hoses off to the side instead of detaching.

A79178
A78277
±
ENGINE MECHANICAL PARTIAL ENGINE ASSY(1CD±FTV)
14±287
AVENSIS REPAIR MANUAL (RM1018E)
24.SEPARATE TRANSMISSION CONTROL CABLE ASSY
(a)Remove the 2 clips and 2 washers, separate the control cable assy.
25.REMOVE INJECTOR DRIVER
(a)Remove the 2 nuts which is used to secure the injector driver.
(b)Disconnect the injector driver connector and the harness clamp.
(c)Remove the injector driver.
26.DISCONNECT ENGINE WIRE
(a)Remove the glove compartment door.
(b)Disconnect the engine wire from the ECM and the junc-
tion block.
(c)Pull out the engine wire.
(d)Disconnect the engine wire from engine room junction block.
(e)Remove the bolt and disconnect the wire harness from the body.
27.REMOVE AIR TUBE NO.1
(a)Loosen the hose clamps.
(b)Remove the 2 bolts and nut, and then detach the air tube No. 1.
28.REMOVE CLUTCH ACCUMULATOR ASSY (See page 42±17) SST 09023±00100
29.REMOVE CLUTCH RELEASE CYLINDER ASSY (See page 42±17)
30. REMOVE V (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) BELT NO.1
(See page 14±269)
31. SEPARATE COMPRESSOR AND MAGNETIC CLUTCH (W/ AIR CONDITIONING) (See page 55±86)
HINT:
Secure the hoses off to the side instead of detaching.
32.REMOVE FLOOR PANEL BRACE FRONT (See page 15±10)
33.REMOVE EXHAUST PIPE ASSY FRONT (See page 15±10)

A79196
New O±Ring
New O±Ring
A79182
Collar
Groove
±
ENGINE MECHANICAL PARTIAL ENGINE ASSY(1CD±FTV)
14±299
AVENSIS REPAIR MANUAL (RM1018E)
132.INSTALL VACUUM PUMP ASSY
(a)Install 2 new O±rings to the vacuum pump.
(b)Align the key of the vacuum pump with the keyway of the
exhaust camshaft, insert the vacuum pump into place.
Secure the pump with the 2 bolts.
Torque: 21 N
m (214 kgf
cm, 15 ft
lbf)
133.INSTALL EGR VALVE ASSY
(a)Install a new gasket and the EGR valve with the bolt and 2 nuts. Torque: 18 N
m (184 kgf
cm, 13 ft
lbf)
134.INSTALL INTAKE AIR CONNECTOR SUB±ASSY
(a)Install a new gasket and the intake air connector with diesel throttle b\
ody with the bolt and 2 nuts. Torque: 21 N
m (214 kgf
cm, 15 ft
lbf)
135.INSTALL WATER OUTLET SUB±ASSY
(a)Install a new gasket and the water outlet with the 2 bolts. Torque: 21 N
m (214 kgf
cm,15 ft
lbf)
136.INSTALL OIL COOLER ASSY (See page 17±32)
137.INSTALL EXHAUST MANIFOLD
(a)Install a new gasket, the exhaust manifold and the 8 col-lars with new 8 nuts.
Torque: 47 N
m (479 kgf
cm, 35 ft
lbf)
HINT:
When installing the collars, pay attention to the mounting
orientation. Ring groove of the collar should be outside. Refer
to the illustration on the left.
138.INSTALL EGR PIPE SUB±ASSY NO.1
(a)Install 2 new gaskets and the EGR pipe with the bolt and 4 new nuts. Torque:
37 N
m (375 kgf
cm,27 ft
lbf) for bolt
25 N
m (250 kgf
cm,18 ft
lbf) for nut
139.INSTALL TURBOCHARGER SUB±ASSY (See page 13±11)
140.INSTALL TURBO OIL INLET PIPE SUB±ASSY (See page 13±11)
141.INSTALL TURBOCHARGER STAY (See page 13±11)
142.INSTALL EXHAUST MANIFOLD CONVERTER SUB±ASSY (See page 13±11)
143.INSTALL MANIFOLD STAY NO.2 (See page 13±11)
144.INSTALL EXHAUST MANIFOLD HEAT INSULATOR NO.2 (See page 13±11)
145.INSTALL TURBO INSULATOR NO.1 (See page 13±11)
146.INSTALL TURBO INSULATOR NO.2 (See page 13±11)

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2
1
3
4
5
6
7
8
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±
ENGINE MECHANICAL PARTIAL ENGINE ASSY(1CD±FTV)
14±301
AVENSIS REPAIR MANUAL (RM1018E)
(d)Using several steps, install and tighten the 8 screws with
a torx socket wrench (T55) uniformly in the sequence
shown in the illustration.
Torque: 71 N
m (720 kgf
cm, 52 ft
lbf)
166.INSTALL CLUTCH DISC ASSY (See page 42±26) SST 09301±00210
167.INSTALL MANUAL TRANSAXLE (See page 41±33)
168.INSTALL STARTER ASSY (See page 19±24)
169. INS TALL FRO NT SUSPENSION CROSSMEMBER
SUB±ASSY
(a) Attach the engine and the transaxle assembly to the sus- pension crossmember and engine mounting member.
(b) Install the bolt which is used to secure the rear engine
mounting bracket to the mounting insulator.
Torque: 87 N
m (887 kgf
cm, 64 ft
lbf)
(c) Install the bolt which is used to secure the front engine mounting bracket to the mounting insulator.
Torque: 52 N
m (530 kgf
cm, 38 ft
lbf)
170. INSTALL ENGINE ASSEMBLY WITH TRANSAXLE
(a) Set the engine assembly with transaxle on the engine lift-
er.
(b) Temporarily, install the suspension crossmember with the 2 bolts and 2 nuts.
(c) Install the engine mounting insulator LH.
Torque: 80 N
m (816 kgf
cm, 59 ft
lbf)
(d) Install the engine mounting insulator RH. Torque: 52 N
m (530 kgf
cm, 38 ft
lbf)

A64005
±
ENGINE MECHANICAL PARTIAL ENGINE ASSY (1ZZ±FE/3ZZ±FE)
14±31
AVENSIS REPAIR MANUAL (RM1018E)
40.REMOVE GENERATOR ASSY (See page 19±7)
41. SEPARATE COMPRESSOR AND MAGNETIC CLUTCH (W/ AIR CONDITIONING)
HINT:

Secure the compressor and hoses off to the side instead of discharging the A/C system.

1ZZ±FE (See page 55±74)

3ZZ±FE (See page 55±70)
42. REMOVE COLUMN HOLE COVER SILENCER SHEET
(a) Remove the 2 clips and the column hole cover silencer sheet.
43.SEPARATE STEERING INTERMEDIATE SHAFT (See page 50±9)
44.REMOVE FRONT DOOR SCUFF PLATE RH (See page 71±11)
45.REMOVE COWL SIDE TRIM BOARD RH (See page 71±11)
46. REMOVE FRONT FLOOR FOOTREST
47. REMOVE FLOOR PANEL BRACE FRONT
(a) Remove the 2 nuts and the floor panel brace front.
48.REMOVE EXHAUST PIPE ASSY FRONT (See page 15±2)
49.REMOVE FRONT AXLE HUB LH NUT (See page 30±6)
SST 09930±00010
50. REMOVE FRONT AXLE HUB RH NUT SST 09930±00010
HINT:
Perform the same procedure as above on the opposite side.
51.SEPARATE TIE ROD END SUB±ASSY LH (See page 30±6)
SST 09628±62011
52. SEPARATE TIE ROD END SUB±ASSY RH SST 09628±62011
HINT:
Perform the same procedure as above on the opposite side.
53.SEPARATE FRONT STABILIZER LINK ASSY LH (See page 30±6)
54. SEPARATE FRONT STABILIZER LINK ASSY RH
HINT:
Perform the same procedure as above on the opposite side.
55.SEPARATE FRONT SUSPENSION ARM SUB±ASSY LOWER NO.1 LH (See page 30±6)
56. SEPARATE FRONT SUSPENSION ARM SUB±ASSY LOWER NO.1 RH
HINT:
Perform the same procedure as above on the opposite side.
57.SEPARATE FRONT AXLE ASSY LH (See page 30±6)
58. SEPARATE FRONT AXLE ASSY RH
HINT:
Perform the same procedure as above on the opposite side.
59. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE
(a) Set the engine lifter.
(b) Remove the 4 bolts and 2 nuts, and detach the enginemounting insulator.

A76715
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A62830Front SideRear Side 14±32
± ENGINE MECHANICALPARTIAL ENGINE ASSY (1ZZ±FE/3ZZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
(c) Remove the through bolt and nut, detach the engine
mounting insulator from the vehicle.
(d) Remove the 2 bolts and 2 nuts as shown in the illustration.
(e) Remove the 8 bolts and the front suspension member
brace rear RH and LH.
(f) Carefully remove the engine with transaxle from the en-
gine compartment.
(g) Install the engine hanger No. 1 (12281±15040) and the
bolt (91512±B1016).
Torque: 38 N
m (387 kgf
cm, 28 ft
lbf)
(h) Install the engine hanger (12281±22021) and the bolt
(91512±B1016).
Torque: 38 N
m (387 kgf
cm, 28 ft
lbf)
HINT:
Securely install the front engine hanger (12281±22021) and the
rear engine hanger No. 1 (12281±15040) to the engine assem-
bly.
(i) Attach the engine sling and hang the engine with the
chain block.