2000 TOYOTA CAMRY timing belt

CIRCUIT DESCRIPTION
The main oxygen sensor is located in the exhaust manifold.
It indirectly determines whether the fuel mixture is rich or lean by detecting the concentration of
oxygen present in the exhaust gas.
Engine speed varies by more than 15 rpm over
the preceding crank position period during a period
of 50 sec. or more under conditions (a) and (b).
(2 trip detection logic) *
(a) Engine speed: Idling
(b) Engine coolant temp.: 60
C (140
F) or more (2) Engine speed varies by more than 15 rpm
over the preceding crank position period during
a period of 50 sec. or more under conditions
(a) and (b).
(2 trip detection logic) *
(a) Engine speed: Idling
(b) Engine coolant temp.: 60
C (140
F) or more.wOpen or short in injector circuit
wFuel line pressure (injector leak, blockage)
wMechanical system malfunction
(skipping teeth of timing belt)
wIgnition system
wCompression pressure
(foreign object caught in valve)
wAir leakage
wECM
wOpen or short in injector circuit
wFuel line pressure (injector leak, blockage)
wMechanical system malfunction
(skipping teeth of timing belt)
wIgnition system
wCompression pressure
(foreign object caught in valve)
wAir leakage
wECM (1) Main oxygen sensor voltage is 0.45 V or
less (lean) for 90 sec. under conditions (a)
and (b).
(2 trip detection logic) *
(a) Engine coolant temp.: 60
C (140
F) or more.
(b) Engine speed: 1,500 rpm or more.wOpen or short in main oxygen sensor circuit
wMain oxygen sensor
wIgnition system
w ECM Diagnostic Trouble Code Detecting Condition
*: See page EG1±307Trouble Area
DTC 25 26 Air±Fuel Ratio Lean Rich Malfunction
DTC No.
± 5S±FE ENGINECIRCUIT INSPECTIONEG1±363

30
ENGINE
5S±FE ENGINE
 DESCRIPTION
The 5S±FE engine has improved the torque in the low±to±mid±speed range through improvements made for the intake
and exhaust systems and the combustion chamber. In addition, its exhaust emissions have been reduced through the
improvements made for the exhaust system and the engine control system.
 ENGINE SPECIFICATIONS AND PERFORMANCE CURVE
5S±FE EngineNewPreviousItemNewPrevious
No. of Cyls. & Arrangement6±Cylinder, In±Lineu
Valve Mechanisms16±Valve DOHC,
Belt & Gear Driveu
Combustion ChamberPentroof Typeu
ManifoldsCross±Flowu
Fuel SystemSFIu
Displacement cm3(cu. in.)2164 (132.0)u
Bore x Stroke mm (in.)87.0 x 91.0 (3.43 x 3.58)u
Compression Ratio9.5 : 1u
Max. Output [SAE±NET]
99 kW @ 5200 rpm
(133 HP @ 5200 rpm)
97 kW @ 5200 rpm*
(130 HP @ 5200 rpm)*
93 kW @ 5400 rpm
(125 HP @ 5400 rpm)
Max. Output [SAE±NET]
199 N.m @ 4400 rpm
(147 ft
.lbf @ 4400 rpm)
197 N
.m @ 4400 rpm*
(145 HP @ 4400 rpm)*
197 N.m @ 4400 rpm
(145 ft
.lbf @ 4400 rpm)
IntakeOpen3o BTDCu
Valve Timing
IntakeClose43o ABDCuValve Timing
ExhaustOpen45o
BBDCuExhaustClose3o
ATDCu
Fuel Octane Number RON91u
Oil GradeAPI SH EC±II, ILDAC or Betteru
*: California Specification Model

44ENGINEÐ1MZ±FE ENGINE
1MZ±FE ENGINE

DESCRIPTION
The 1MZ±FE engine has achieved a reduction in exhaust emissions through the adoption of the fuel returnless system
and the changes made onto the EGR control system.

ENGINE SPECIFICATIONS AND PERFORMANCE CURVE
1MZ±FE EngineNewPreviousItemNewPrevious
No. of Cyls. & Arrangement6±Cylinder, V Typeu
Valve Mechanisms24±Valve DOHC,
Belt & Gear Driveu
Combustion ChamberPentroof Typeu
ManifoldsCross±Flowu
Fuel SystemsSFIu
Displacement cm3(cu. in.)2995 (182.7)u
Bore x Stroke mm (in.)87.5 x 83.0 (3.44 x 3.27)u
Compression Ratio10.5 : 1u
Max. Output {SAE_NET]145 kW @ 5200 rpm
(194 HP @ 5200 rpm)140 kW @ 5200 rpm
(188 HP @ 5200 rpm)
Max. Output {SAE_NET]283 N.m @ 4400 rpm
(209 ft
.lbf @ 4400 rpm)
275 N.m @ 4400 rpm
(203 ft
.lbf @ 4400 rpm)
IntakeOpen4o BTDCu
Valve Timing
IntakeClose44o ABDCuValve Timing
ExhaustOpen46oBBDCuExhaustClose2o
ATDCu
Fuel Octane Number RON91 OR Higheru
Oil GradeAPI SH EC±II, ILDAC or Betteru
Premium unleaded gasoline (96RON) is used for the above specifications.

CAMRY ± NEW FEATURES7
1MZ-FE ENGINE
1. Description
On the California specification automatic transaxle model, the 1MZ-FE engine has adopted the air-fuel ratio
sensor and the WU-TWC (Warm Up-Three-Way Catalytic Converter) to reduce exhaust emissions.
2. Engine Specifications
1MZ-FE Engine
Item'98 Model'97 Model
No. of Cyls. & Arrangement6-Cylinder, V Type
Valve Mechanism24-Valve, DOHC,
Belt & Gear Drive
Combustion ChamberPentroof Type
ManifoldsCross-Flow
Fuel SystemSFI
Displacement cm3 (cu. in.)2995 (182.7)
Bore x Stroke mm (in.)87.5 x 83.0 (3.44 x 3.27)
Compression Ratio10.5 : 1
Max. Output [SAE-NET]
145 kW@5200 rpm
(194HP@5200 rpm),
143 kW@5200 rpm
(192 HP@5200 rpm)*
145 kW@5200 rpm
(194HP@5200 rpm)
Max. Torque [SAE-NET]
283 N.m@4400 rpm
(209 ft
.lbf@4400 rpm),
281 N
.m@4400 rpm
(207 ft
.lbf@4400 rpm)*
283 N.m@4400 rpm
(209 ft
.lbf@4400 rpm)
IntakeOpen4 BTDC
Valve
IntakeClose44 ABDCValve
Timing
ExhaustOpen46 BBDCg
ExhaustClose2 AT D C
Fuel Octane Number RON91 or Higher
Oil GradeAPI SH EC-II,
SJ EC or ILSACAPI SH EC II or ILSAC
Premium unleaded gasoline (96RON) is used for the above specifications.
*: California Specification Automatic Transaxle Model.

'99camry U
223
CAUTION

Do not mix radial, bias belted, or
bias±ply tires on your vehicle. It
can cause dangerous handling char-
acteristics, resulting in loss of con-
trol.

Do not use tires or wheels other
than the manufacturer 's recom-
mended size.
Toyota recommends all four tires, or at
least both of the front or rear tires be
replaced at a time as a set.
See ºIf you have a flat tireº in Part 4 for
tire change procedure.
When a tire is replaced, the wheel
should always be balanced.
An unbalanced wheel may affect vehicle
handling and tire life. Wheels can get out
of balance with regular use and should
therefore be balanced occasionally.
When replacing a tubeless tire, the air
valve should also be replaced with a
new one.
Rotating tires
To equalize the wear and help extend
tire life, Toyota recommends that you
rotate your tires approximately every
12000 km (7500 miles). However, the
most appropriate timing for tire rotation
may vary according to your driving hab-
its and road surface conditions.
See ºIf you have a flat tireº in Part 4 for
tire change procedure.
When rotating tires, check for uneven
wear and damage. Abnormal wear is usu-
ally caused by incorrect tire pressure, im-
proper wheel alignment, out±of±balance
wheels, or severe braking.WHEN TO USE SNOW TIRES OR
CHAINS
Snow tires or chains are recommended
when driving on snow or ice.
On wet or dry roads, conventional tires
provide better traction than snow tires.
SNOW TIRE SELECTION
If you need snow tires, select the same
size, construction and load capacity as
the original tires on your Toyota.
Do not use tires other than those men-
tioned above. Do not install studded tires
without first checking local regulations for
possible restrictions.
SNOW TIRE INSTALLATION
Snow tires should be installed on all
wheels.
Installing snow tires on the front wheels
only can lead to an excessive difference
in road grip capability between the front
and rear tires which could cause loss of
vehicle control.
When storing removed tires you should
store them in a cool dry place. Mark the
direction of rotation and be sure to install
them in the same direction when replac-
ing.
Installing snow tires and
chains

NEW FEATURES Ð 5S-FNE ENGINE
NEW FEATURES
6
5S-FNE ENGINE
DESCRIPTION
The 5S-FNE engine is a new engine that uses CNG (Compressed Natural Gas) as fuel, which has been
developed based on the 5S-FE gasoline engine.
The main component of natural gas is methane (CH
4), which has fewer carbons (C) than gasoline (mean
molecular formula: C
7.5H13.4). Therefore, the amount of CO2 discharged by this engine is approximately
70% that of the gasoline engine. Furthermore, this engine achieves low-emission operation by precisely
controlled air-fuel ratio and using special catalysts for the CNG application.
However, because the fuel is in the gaseous form, its volumetric efficiency is low, causing lower power
output if this fuel is used in the base engine.
Therefore, the 5S-FNE engine has adopted the following features: a high compression ratio, the intake
valves with early closed timing, the intake and exhaust valves with increased lift, a low back pressure muffler
made possible by the 2-way exhaust system, injectors for gaseous fuel, and a catalytic converter designed
exclusively for CNG application. At the same time, precision air-fuel ratio control is effected through the
use of the air-fuel ratio sensor* and the heater oxygen sensor, thus achieving the level of performance that
is equivalent to the base engine. Moreover, this engine realizes extremely low emissions and restoring engine
torque.
*: Already adopted on the California specification 5S-FE engine.

Specifications 
Item
5S-FNE Engine5S-FE Engine
No. of Cyls. & Arrangement4-Cylinder, In-Line
Valve Mechanism16-Valve DOHC,
Belt & Gear Drive
Combustion CamberPentroof Type
ManifoldsCross-Flow
Fuel SystemSFI
Displacement cm3 (cu. in.)2164 (132.0)
Bore
Stroke mm (in.)87.0
91.0 (3.43
3.58)
Compression Ratio11.0 : 19.5 : 1
Max. Output [SAE-NET]88 kW @ 5200 rpm
(118 HP @ 5200 rpm)
99 kW @ 5200 rpm
(133 HP @ 5200 rpm)
97 kW @ 5200 rpm*
(130 HP @ 5200 rpm)*
Max. Torque [SAE-NET]178 N´m @ 2400 rpm
(131 ft´lbf @ 2400 rpm)
199 N´m @ 4400 rpm
(147 ft´lbf @ 4400 rpm)
197 N´m @ 4400 rpm*
(145 ft´lbf @ 4400 rpm)*
IntakeOpen35 BTDC
Valve
IntakeClose385 ABDC435 ABDCValve
Timing
ExhaustOpen455 BBDCExhaustClose35 AT D C
Fuel Octane Number RON13091
Oil GradeAPI SJ EC or ILSAC
*: California Specification Models

Steering Linkage
With the vehicle stopped, check for excessive freeplay in the steer-
ing wheel. Inspect the linkage for bending and damage and the dust
boots for deterioration, cracks and damage. Replace any damaged
parts. A qualified technician should perform these operations.
Timing Belt
Replace every 90,000 miles. A qualified technician should per-
form this operation.
Tire Rotation
Tires should be rotated according to the instructions in the
Owner’s Manual. When rotating tires, check for damage and
uneven wear.
Transfer Case Oil
Inspect each component for signs of leakage. If you discover any
leakage, have it repaired by a qualified technician immediately.
Wheel Bearing and Drive Shaft Bushing Grease
Repack the wheel bearings with wheel bearing grease and the
front drive shaft bushings with molybdenum- disulfide lithium-
base chassis grease. A qualified technician should perform
these operations.
Explanation of Maintenance Items
SCHEDULED MAINTENANCE LOGS23

Maintenance Log.
. Cars & Sienna
SCHEDULED MAINTENANCE LOGS35
90,000 Miles or 72 Months
❑Replace engine air filter❑Replace engine coolant
❑Replace engine oil and oil filter❑Rotate tires
❑Replace non-platinum spark plugs (Corolla, Paseo, Tercel)1
❑Repack front wheel bearings (Paseo, Tercel)
❑Re-torque drive shaft flange bolts (Sienna)
❑Replace timing belt (except Corolla)
❑Inspect the following:__
Ball joints and dust covers__
Drive shaft boots
__
Brake lines and hoses__
Exhaust pipes and mountings
__
Brake linings/drums and brake pads/discs__
Fuel tank cap gasket
__
Differential oil__
Steering gear box
__
Drive belts (non-ribbed)__
Steering linkage
__
Fuel lines and connections, fuel tank band__
Transmission fluid or oil
and fuel tank vapor vent system hoses
Additional Maintenance Items for Special Operating Conditions:*
❑Inspect nuts and bolts on body and chassis
❑Replace differential oil
❑Replace transmission fluid or oil
Date: __________________
Mileage: _______________
90,000 Miles or 72 Months
90,000 Miles or 72 Months
DEALER SERVICE VERIFICATION
1Required under the terms of the Emission Control Warranty.