2003 TOYOTA AVENSIS coolant temperature

010BA±14
01±42
±
INTRODUCTION TERMS
AVENSIS REPAIR MANUAL (RM1018E)
GLOSSARY OF SAE AND TOYOTA TERMS
This glossary lists all SAE±J1930 terms and abbreviations used in this ma\
nual in compliance with SAE rec-
ommendations, as well as their TOYOTA equivalents.
SAE
ABBREVIATIONSSAE TERMSTOYOTA TERMS
( )±±ABBREVIATIONS
A/CAir ConditioningAir Conditioner
ACLAir CleanerAir Cleaner, A/CL
AIRSecondary Air InjectionAir Injection (AI)
APAccelerator Pedal±
B+Battery Positive Voltage+B, Battery Voltage
BAROBarometric PressureHAC
CACCharge Air CoolerIntercooler
CARBCarburetorCarburetor
CFIContinuous Fuel Injection±
CKPCrankshaft PositionCrank Angle
CLClosed LoopClosed Loop
CMPCamshaft PositionCam Angle
CPPClutch Pedal Position±
CTOXContinuous Trap Oxidizer±
CTPClosed Throttle PositionLL ON, Idle ON
DFIDirect Fuel Injection (Diesel)Direct Injection (DI/INJ)
DIDistributor Ignition±
DLC1
DLC2
DLC3Data Link Connector 1
Data Link Connector 2
Data Link Connector 31: Check Connector
2: Total Diagnosis Communication Link (TDCL)
3: OBD II Diagnostic Connector
DTCDiagnostic Trouble CodeDiagnostic Trouble Code
DTMDiagnostic Test Mode±
ECLEngine Control Level±
ECMEngine Control ModuleEngine ECU (Electronic Control Unit)
ECTEngine Coolant TemperatureCoolant Temperature, Water Temperature (THW)
EEPROMElectrically Erasable Programmable Read Only Memory
Electrically Erasable Programmable Read Only Memory
(EEPROM),
Erasable Programmable Read Only Memory (EPROM)
EFEEarly Fuel EvaporationCold Mixture Heater (CMH), Heat Control Valve (HCV)
EGRExhaust Gas RecirculationExhaust Gas Recirculation (EGR)
EIElectronic IgnitionDistributorless Ignition (DLI)
EMEngine ModificationEngine Modification (EM)
EPROMErasable Programmable Read Only MemoryProgrammable Read Only Memory (PROM)
EVAPEvaporative EmissionEvaporative Emission Control (EVAP)
FCFan Control±
FEEPROMFlash Electrically Erasable Programmable
Read Only Memory±
FEPROMFlash Erasable Programmable Read Only Memory±
FFFlexible Fuel±
FPFuel PumpFuel Pump
GENGeneratorAlternator
GNDGroundGround (GND)
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031DY±01
03±4
±
SERVICE SPECIFICATIONS ENGINE CONTROL SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
ENGINE CONTROL SYSTEM
SERVICE DATA
1ZZ±FE/3ZZ±FE:
Power steering oil pressure switch
Voltage EMPS ± E2 Not spin the steering wheel at engine idling
Spin the steering wheel at engine idling
8 to 14 V
0 to 1.5 V
Idle air control valve
Movement Ignition switch ON
Half open  fully close  fully open  half open
Mass air flow meter
Resistance 4 (THA) ± 5 (E2)
at ±20
C (±4
F)
at 20
C (68
F)
at 60
C (140
F)
13.6 to 18.4 k

2.21 to .69 k

0.49 to 0.67 k

Camshaft timing oil control valve assy
Resistance at 20
C (68
F)
6.9 to 7.9

Throttle position sensor
Resistance VC ± E2
2.5 to 6.0 k

E.F.I. Engine coolant temperature sensor
Resistance Approx. 20
C (68
F)
Approx. 80
C (176
F)
2.32 to 2.59 k

0.310 to 0.326 k

Knock control sensor
Resistance Approx. 20
C (68
F)
120 to 280 k

1AZ±FE/1AZ±FSE:
Power steering oil pressure switch
Voltage PSW ± E2
Not spin the steering wheel at engine idling
Spin the steering wheel at engine idling
9 to 14 V
0 to 3 V
Idle air control valve
Movement Ignition switch ON
Half open  fully close  fully open  half open
Throttle body assy (1AZ±FSE)
Throttle valve opening percentage
Idle speed
60 % or more
700  50 rpm
Accelerator pedal position sensor (1AZ±FSE)
Voltage ACCEL POS Released
Depress
ACCEL POS #2 Released Depress
0.5 to 1.1 V
2.6 to 4.5 V
1.2 to 2.0 V
3.4 to 5.3 V
Mass air flow meter
Resistance 4 (THA) ± 5 (E2) at ±20
C (±4
F)
at 20
C (68
F)
at 60
C (140
F)
13.6 to 18.4 k

2.21 to .69 k

0.49 to 0.67 k

Camshaft timing oil control valve assy
Resistance at 20
C (68
F)
6.9 to 7.9

Throttle position sensor (1AZ±FE)
Resistance VC ± E2
2.5 to 5.0 k

Throttle body assy (1AZ±FSE)
Resistance 2 (M+) ± 1 (M±)
0.3 to 100
at 20
C (68
F)
E.F.I. Engine coolant temperature sensor
Resistance Approx. 20
C (68
F)
Approx. 80
C (176
F)
2.32 to 2.59 k

0.310 to 0.326 k

Knock control sensor
Resistance Approx. 20
C (68
F)
120 to 280 k

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±
SERVICE SPECIFICATIONSENGINE CONTROL SYSTEM
03±5
AVENSIS REPAIR MANUAL (RM1018E)
1CD±FTV:
Mass air flow meter
Resistance2 (THA) ± 1 (E2)
at ±20
C (±4
F)
at 20
C (68
F)
at 60
C (140
F)
12.5 to 16.9 k
2.19 to 2.67 k
0.50 to 0.68 k
Intake shutter assy
Resistanceat 20
C (68
F) 2 ± 1, 3
5 ± 4, 6
18 to 22 
18 to 22 
Accelerator pedal assy (See page 10±56)
Resistance VPA1 ± EP1
VPA2 ± EP2
VCP1 ± EP1
VCP2 ± EP2
5.0 k or less
5.0 k or less
1.5 to 6.0 k 
1.5 to 6.0 k 
Diesel turbo inlet air temperature sensor
Resistance Approx. 20
C (68
F)
2.21 to 2.65 k
Crankshaft position sensor
Resistance at cold
at hot
1630 to 2740 
2065 to 3225 
Camshaft position sensor
Resistance at cold
at hot
1630 to 2740 
2065 to 3225 
Diesel engine engine coolant temperature sensor
Resistance Approx. 20
C (68
F)
Approx. 80
C (176
F)
2.32 to 2.59 k
0.310 to 0.326 k 
Injection or supply pump assy
Resistance THF ± E2
Approx. 20
C (68
F)
Approx. 80
C (176
F)
2.21 to 2.69 k
0.287 to 0.349 k 
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031H2±01
±
SERVICE SPECIFICATIONS ENGINE MECHANICAL
03±15
AVENSIS REPAIR MANUAL (RM1018E)
TORQUE SPECIFICATION
1ZZ±FE/3ZZ±FE:
Part TightenedN
mkgf
cmft
lbf
Camshaft bearing cap No. 3 x Cylinder head sub±assy1313310
Camshaft bearing cap No. 1 x Cylinder head sub±assy2323517
Camshaft timing gear or sprocket x Camshaft No. 25455140
Chain tensioner assy No. 1 x Timing chain or belt cover sub±assy9.09280 in.
lbf
V±ribbed belt tensioner assy x Cylinder block sub±assy6970451
V±ribbed belt tensioner assy x Cylinder head sub±assy2929621
Engine mounting insulator RH x Body5253038
Engine mounting insulator RH x Transverse engine engine mounting bracket5253038
Cylinder head cover sub±assy x Cylinder head sub±assy A
B11
9.011 2 928
80 in.
lbf
Cylinder head cover sub±assy x Timing chain or belt cover sub±assy1111 28
Ignition coil assy x Cylinder head cover sub±assy9.09280 in.
lbf
Engine wire x Cylinder head cover sub±assy9.09280 in.
lbf
Cylinder head cover No. 2 x Cylinder head cover sub±assy7.07162 in.
lbf
Engine hanger x Cylinder head sub±assy3838728
Radio setting condenser x Cylinder head sub±assy101027
Engine coolant temperature sensor x Cylinder head sub±assy2020415
Exhaust manifold x Cylinder head sub±assy3737727
Exhaust manifold heat insulator No. 1 x Exhaust manifold Bolt
Nut18
12184
12213 9
Manifold stay No. 2 x Exhaust manifold4950036
Manifold stay No. 2 x Cylinder block sub±assy4950036
Manifold stay x Exhaust manifold A4950036
Manifold stay x Cylinder block sub±assyB3737727
Transverse engine engine mounting bracket x Timing chain or belt cover
sub±assy4747935
V±ribbed idler assy No.1 x Cylinder block sub±assy39.240029
Knock sensor x Cylinder block sub±assy2020415
Crankshaft position sensor x Timing chain or belt cover9.09280 in.
lbf
Camshaft position sensor x Cylinder head sub±assy9.09280 in.
lbf
Water inlet x Cylinder block sub±assy1111 28
Water by±pass pipe No. 1 x Cylinder block sub±assy9.09280 in.
lbf
Water by±pass pipe No. 1 x Cylinder head sub±assy9.09280 in.
lbf
Oil level gage guide x Water by±pass pipe No. 11313310
Intake manifold x Cylinder head sub±assy3030622
Flywheel sub±assy x Crankshaft 1st
2nd49
Turn 90
500
Turn 90
36
Turn 90

Drive plate & ring gear sub±assy x Crankshaft8889765
Transverse engine engine mounting bracket front x Transverse engine en-
gine mounting insulator front5253038
Transverse engine engine mounting bracket rear x Transverse engine engine
mounting insulator rear8788764
Transverse engine engine mounting bracket LH x Transverse engine engine
mounting insulator LH8081659
Transverse engine engine mounting bracket RH x Transverse engine engine
mounting insulator RH5253038
Front suspension crossmember sub±assy x Body A
B45
133459
1,35633
98
Front suspension member brace x Body Bolt A
Bolt B133 801,356 81698
59
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03±16
±
SERVICE SPECIFICATIONS ENGINE MECHANICAL
AVENSIS REPAIR MANUAL (RM1018E) Part Tightened
ft
lbf
kgf
cm
N
m
Floor panel brace front x Body3030622
Battery carrier x Body12.81319
Battery x Body5.05144 in.
lbf
Air cleaner case x Body5.05144 in.
lbf
Air cleaner case x Transverse engine engine mounting bracket LH5.05144 in.
lbf
Radiator support upper x Body1919414
Front wheel RH & LH x Front axle hub sub±assy RH & LH1031,05076
Camshaft timing gear assy x Camshaft5455140
Chain tensioner slipper x Cylinder block sub±assy1919414
Timing chain or belt cover sub±assy x Cylinder head sub±assy1313310
Timing chain or belt cover sub±assy x Cylinder block sub±assy M6
M813
19133
19410
14
Crankshaft pulley x Crankshaft1381,407102
Cylinder head sub±assy x Cylinder block sub±assy 1st
2nd49
Turn 90
500
Turn 90
36
Turn 90

Camshaft timing oil control valve assy x Cylinder head sub±assy9.09280 in.
lbf
Chain vibration damper No. 1 x Cylinder head sub±assy9.09280 in.
lbf
Chain vibration damper No. 1 x Cylinder block sub±assy9.09280 in.
lbf
1AZ±FE:
Part TightenedN
mkgf
cmft
lbf
Front wheel RH1031,05076
Drain plug (M/T)4950036
Engine hanger No.1 x Cylinder head3838728
Engine hanger No.2 x Cylinder head3838728
Engine coolant temperature sensor x Cylinder head2020815
Knock sensor x Cylinder block2020815
Engine oil pressure switch assy x Cylinder head1515311
Water by±pass pipe No.1 x Cylinder block9.09280 in.
lbf
Drive shaft bearing bracket x Cylinder block5455140
V±ribbed belt tensioner assy x Timing chain cover6060744
Ignition coil assy x Cylinder head9.09280 in.
lbf
Water inlet x Cylinder block9.09280 in.
lbf
Exhaust manifold converter x Cylinder head3737827
Exhaust manifold stay x Exhaust manifold converter4444932
Manifold converter insulator No. 1 x Exhaust manifold converter121229
Intake manifold x Cylinder head3030622
Fly wheel (M/T) x Crank shaft1301,32796
Drive plate & ring gear (A/T) x Crankshaft981,00072
Transverse engine engine mounting bracket front x Transverse engine en-
gine mounting insulator front8788764
Transverse engine engine mounting bracket rear x Transverse engine engine
mounting insulator rear8788764
Front suspension cross member sub±assy front x Body Front
Rear45
133459
1,35633
98
Front suspension brace RH x Frame Bolt A
Bolt B133 801,356 81698
59
Front suspension brace LH x Frame Bolt A
Bolt B133
801,356 81698
59
Transverse engine engine mounting insulator LH x Engine mounting bracket
LH8788764
Transverse engine engine mounting insulator RH x Engine mounting bracket
RH5253038
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±
SERVICE SPECIFICATIONSENGINE MECHANICAL
03±17
AVENSIS REPAIR MANUAL (RM1018E) Part Tightenedft
lbf
kgf
cm
N
m
Engine mounting bracket x No, 2 RH x Transverse engine
engine mounting insulatorA
B
52
113530
1,15238
83
Clutch release cylinder x manual transaxleBolt A
Bolt B
Bolt C12
9.0
5.0122 92
5189
80 in.
lbf
44 in.
lbf
Vane pump assy x Timing chain cover4343931
Front suspension arm sub±assy lower No. 1 x Lower ball joint1271,29694
Front stabilizer link assy x Front suspension7475555
Floor panel brace front x Floor3030622
Engine service cover bracket RH x Body w/o Air conditioning
RHD (w/ Air conditioning) steering position type
9.0
9.092
9280 in.
lbf
80 in.
lbf
Cooler bracket x BodyLHD (w/ Air conditioning) steering position type9.09280 in.
lbf
Oil reservoir bracket No. 1 x Body8.08271 in.
lbf
Return tube sub±assy x Frame8.08271 in.
lbf
Radiator reserve tank x sub±assy x body5.05144 in.
lbf
Compressor and magnetic clutch x Cylinder blockw/ Air conditioning2525518
Radiator relay block x Frame5.05144 in.
lbf
Engine cover No. 1 x Cylinder head cover7.07162 in.
lbf
Air cleaner assy x Body5.05144 in.
lbf
Cylinder head x Cylinder block1st
2nd79
Turn 90
806
Turn 90
58
Turn 90

Camshaft timing control valve assy x Cylinder head9.09280 in.
lbf
Camshaft timing gear assy x Camshaft5455140
Camshaft timing sprocket x Camshaft5455140
Camshaft bearing cap No. 1 x Cylinder head3030122
Camshaft bearing cap No. 2 x Cylinder head3030122
Camshaft bearing cap No. 3 x Cylinder head9.09280 in.
lbf
Chain tensioner assy No. 1 x Timing chain cover9.09280 in.
lbf
Chain tensioner plate x Stiffening crankcase assy121229
Oil pump drive sprocket x Oil pump3030122
Chain vibration damper No. 1 x Cylinder head9.09280 in.
lbf
Chain vibration damper No. 1 x Cylinder block9.09280 in.
lbf
Timing chain guide x Cylinder block9.09280 in.
lbf
Chain tensioner slipper x Cylinder block1919414
Timing chain cover (See page 14±139)Bolt A Bolt B
Bolt C Nut9.021
43
9.092
214
438 9280 in.
lbf
15
32
80 in.
lbf
Oil pan x Stiffening crankcase assy9.09280 in.
lbf
Oil pan drain plug x Oil pan2525518
Crankshaft pulley x Crankshaft1701,733125
Cylinder head cover x Cylinder head Bolt A
Bolt B
Bolt C11
14
2111 2
143
2148.0 10
15
1AZ±FSE:
Part TightenedN
mkgf
cmft
lbf
Front wheel RH1031,05076
Drain plug (M/T)4950036
Engine hanger No.1 x Cylinder head3838728
Engine hanger No.2 x Cylinder head3838728
Engine coolant temperature sensor x Cylinder head2020815
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±
SERVICE SPECIFICATIONSENGINE MECHANICAL
03±19
AVENSIS REPAIR MANUAL (RM1018E) Part Tightenedft
lbf
kgf
cm
N
m
Camshaft timing sprocket x Camshaft5455140
Camshaft bearing cap No. 1 x Cylinder head3030122
Camshaft bearing cap No. 2 x Cylinder head3030122
Camshaft bearing cap No. 3 x Cylinder head9.09280 in.
lbf
Chain tensioner assy No. 1 x Timing chain cover9.09280 in.
lbf
Chain tensioner plate x Stiffening crankcase assy121229
Oil pump drive sprocket x Oil pump3030122
Chain vibration damper No. 1 x Cylinder head9.09280 in.
lbf
Chain vibration damper No. 1 x Cylinder block9.09280 in.
lbf
Timing chain guide x Cylinder block9.09280 in.
lbf
Chain tensioner slipper x Cylinder block1919414
Timing chain cover (See page 14±222)Bolt A
Bolt B
Bolt C Nut9.021
43
9.092
214
438 9280 in.
lbf
15
32
80 in.
lbf
Oil pan x Stiffening crankcase assy9.09280 in.
lbf
Oil pan drain plug x Oil pan2525518
Crankshaft pulley x Crankshaft1701,733125
Cylinder head cover x Cylinder head Bolt A
Bolt B
Bolt C11
14
2111 2
143
2148.0 10
15
1CD±FTV:
Part TightenedN
mkgf
cmft
lbf
Idle pulley set nut3839028
Air tube No. 1 x Air tube No. 22525518
Air tube No. 1 x Intake air connector2525518
Air tube No. 1 x Cylinder head sub±assy2525518
Air tube No. 1 x Engine mounting bracket FR2525518
Engine cover No. 1 x Cylinder head cover sub±assy8.08271 in.
lbf
Engine cover No. 1 x Intake manifold8.08271 in.
lbf
Front wheel1031,05076
Drain plug (Manual transaxle)4950036
Engine hanger No.1 x Cylinder head3737727
Engine hanger No.2 x Cylinder head3737727
Engine hanger No. 1 UPR x Engine hanger No. 13737727
Engine coolant temperature sensor x Cylinder head2020415
Crankshaft position sensor x Oil pump assy8.89078 in.
lbf
Camshaft position sensor x Camshaft oil seal retainer8.89078 in.
lbf
Fuel filler to injection pump fuel pipe x Cylinder block M6 and Nut
M88.82190
20978 in.
lbf
15
Oil cooler pipe x Cylinder block5960043
Compressor mounting bracket x Cylinder block4242831
Injection pump x Water pump2121415
Oil level gage guide x Cylinder block1818413
Timing belt No.3 cover x Cylinder head7.47565 in.
lbf
Intake manifold x Cylinder head2121415
Wiring harness clamp bracket x Intake manifold3.9 to 6.940 to 7035 to 61 in.
lbf
Power steering idle pulley bracket x Cylinder head Bolt A
Bolt B72
39734
39853
29
Intake manifold insulator No. 1 x Intake manifold5.05144 in.
lbf
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3020
10
5
3
02040
0.1 1
0.3 0.2
0.5 2
60 80 100
±20
(±4) (104) (140) (176)
(32) (68) (212)
Z17274
Ohmmeter
Acceptable
Temperature
C (
F)
Resistance k

THF E2
A30331
30
20
10




0.5
0.3
0.2
0.1
±20

20 40 60
80 100
F14741(±4) (104) (140) (176)
(32) (68) (212)
A56276
Temperature
C (
F)
Resistance k

±
ENGINE CONTROL SYSTEM ECD SYSTEM (1CD±FTV)
10±57
AVENSIS REPAIR MANUAL (RM1018E)
3. INSPECT DIESEL ENGINE ENGINE COOLANT
TEMPERATURE SENSOR
(a) Resistance inspection.
(1) Using an ohmmeter, measure the resistance be-tween each terminal.
Resistance:
Approx. 20
C (68
F) 2.32 to 2.59 k

Approx. 80
C (176
F) 0.310 to 0.326 k

NOTICE:
In case of checking the water temperature sensor in the wa-
ter, be careful not to allow water to go into the terminals,
and after checking, wipe out the sensor.
4. INSPECT INJECTION OR SUPPLY PUMP ASSY
(a) Resistance inspection. (Fuel temperature sensor) (1) Using an ohmmeter, measure the resistance be-tween each terminal.
Resistance:
Approx. 20
C (68
F) 2.21 to 2.69 k

Approx. 80
C (176
F) 0.287 to 0.349 k

5. INSPECT DIESEL TURBO INLET AIR TENPERATURE SENSOR
(a) Resistance inspection. (1) Using an ohmmeter, measure the resistance be-
tween each terminal.
Resistance:
Approx. 20
C (68
F) 2.21 to 2.65 k

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