O2 sensor TOYOTA CAMRY 2000 Service Repair Manual

EM08M±03
A07369
Heated Oxygen Sensor (Bank 1 Sensor 2)
HINT:
Before installing oxygen sensor, twist
sensor wire counterclockwise 3 and 1/2
turns.
After installing oxygen sensor, check that
sensor wire is not twisted. If it is twisted,
remove oxygen sensor and reinstall it.
Heat Insulator
Bracket
RingTailpipe
 Gasket
Center Exhaust Pipe
Heated Oxygen Sensor
(Bank 1 Sensor 2)
TWC (Except California)
Rear TWC (California)
Front Exhaust Pipe Bracket
StayBracket
N´m (kgf´cm, ft´lbf)
 Non±reusable part Gasket
 Gasket
Heat Insulator Heat Insulator
Heat Insulator

56 (570, 41)
44 (450, 32)
62 (630, 46)
56 (570, 41)
Bracket
: Specified torqueRing



19 (195, 14)
33 (330, 24)
33 (330, 24)
33 (330, 24)
EM±114
± ENGINE MECHANICAL (5S±FE)EXHAUST SYSTEM
1286 Author: Date:
EXHAUST SYSTEM
COMPONENTS

EM±2
± ENGINE MECHANICAL (1MZ±FE)CO/HC
1288 Author: Date:
If the CO/HC concentration dose not comply with regulations,
troubleshoot in the order given below.
See the table below for possible causes, then inspect and cor-
rect the applicable causes if necessary.
COHCProblemsCauses
NormalHighRough idle1. Faulty ignitions:

Incorrect timin
g
Incorrect timing

Fouled, shorted or improperly gapped plugs

Open or crossed hi
gh±tension cords
Oen or crossed high±tension cords
2. Incorrect valve clearance
3 Leaky EGR valve
3 Leaky EGR valve
4.Leaky intake and exhaust valves
5.Leaky cylinder
LowHighRough idle1. Vacuum leaks:LowHighRough idle
(
Filtrating HC reading)
1. Vacuum leaks:

PCV hose(Filtrating HC reading)
PCV hose

EGR valve
EGR valve

Intake manifold
Intake manifold

Air intake chamber
Air intake chamber

Throttle bodyThrottle body

IAC valveIAC valve

Brake booster lineBrake booster line
2. Lean mixture causing misfire
HighHighRough idle
(Black smoke from exhaust)1. Restricted air filter
2. Faulty SFI system

Faulty pressure regulator

Defective ECT sensor

Faulty ECM

Faulty injectors

Faulty throttle position sensor

Faulty MAF meter

A01802
10 mm
Hexagon
Wrench
Plate Washer
P20026
SST EM±18
± ENGINE MECHANICAL (1MZ±FE)TIMING BELT
1304 Author: Date:
20. REMOVE NO.1 IDLER PULLEY
Using a 10 mm hexagon wrench, remove the bolt, idler pulley
and plate washer.
21. REMOVE CRANKSHAFT TIMING PULLEY
(a) Remove the bolt and timing belt plate.
(b) Using SST, remove the crankshaft timing pulley.
SST 09950±50012 (09951±05010, 09952±05010,
09953±05010, 09953±05020, 09954±05010)
NOTICE:
Do not scratch the sensor part of the crankshaft timing
pulley.

EM0YO±01
A05060
Inward
Sensor
A01802
10 mm
Hexagon
Wrench
Plate Washer
A05055
± ENGINE MECHANICAL (1MZ±FE)TIMING BELT
EM±21
1307 Author: Date:
INSTALLATION
1. INSTALL CRANKSHAFT TIMING PULLEY
(a) Align the pulley set key with the key groove of the timing
pulley, and slide on the timing pulley.
(b) Install the timing pulley, facing the sensor side inward.
NOTICE:
Do not scratch the sensor part of the crankshaft timing
pulley.
(c) Install the timing belt plate with the bolt.
Torque: 8 N´m (80 kgf´cm, 69 in.´lbf)
2. INSTALL NO.1 IDLER PULLEY
Adhesive: Part No. 08833±00080, THREE BOND 1344,
LOCTITE 242 or equivalent
(a) Using a 10 mm hexagon wrench, install the plate washer
and idler pulley with the pivot bolt.
Torque: 34 N´m (350 kgf´cm, 25 ft´lbf)
(b) Check that the pulley bracket moves smoothly.
3. INSTALL NO.2 IDLER PULLEY
(a) Install the idler pulley with the bolt.
Torque: 43 N´m (440 kgf´cm, 32 ft´lbf)
(b) Check that the idler pulley moves smoothly.
4. INSTALL RH CAMSHAFT TIMING PULLEY
(a) Face the flange side of the timing pulley outward.
(b) Align the knock pin on the camshaft with the knock pin
groove of the timing pulley, and slide on the timing pulley.

EGR Gas Temperature
Sensor Connector
Water Bypass Hose
A06657
PS Pressure TubeAir Intake Chamber Stay
V±Bank Cover
VSV Connector
for EGR
Engine Wire
Gasket
No.2 EGR Pipe
Throttle Position
Sensor Connector
Vacuum Hose
EGR Valve Position Brake Booster12 (120,9)
39 (400,29)

Gasket
Sensor Connector
IAC Valve
ConnectorAccelerator Cable
Throttle Cable
Purge Hose
Air Assist Hose Hose Vacuum

Gasket
VSV Connector for ACIS
Engine Coolant
Reservoir Hose
43 (440,32)
ECT Sender
Gauge Connector
ECT Sensor
Connector
Grand Strap
Connector
15 (150,11)
Water Outlet
15 (150,11)
Water Bypass
Hose
Upper Radiator
Hose
Fuel Inlet Hose
Injector Connector Intake Manifold Assembly
Retainer
Heater Hose

Gasket Ignition Coil
Connector

Non±reusable part: Specified torque
N´m (kgf´cm, ft´lbf)
19.5 (200, 14)
No.1 Engine
Hanger
VSV Connector for
EVAP
Ground Cable
PCV Hose Ground Cable
Air Intake Chamber
Assembly

Gasket
High±Tension Cord Set
Spark PlugIgnition Coil
Water Bypass Hose
Ground Strap
DLC1
EM±28
± ENGINE MECHANICAL (1MZ±FE)CYLINDER HEAD
1314 Author: Date:

A06635
Non±reusable part: Specified torque
N´m (kgf´cm, ft´lbf)Engine Wire
Engine Wire ProtectorEngine Wire
Protector
Heated Oxygen Sensor
(Bank 1 Sensor 1)
Connector
RH Exhaust Manifold
(Except M/T and California A/T)
34 (350,25)
x 6
12 (120, 9)
PS Pump Bracket
43 (440, 32)
No.1 EGR Pipe
Gasket
Cylinder Head Rear Plate
Ground Strap
Water Inlet
Pipe
O±Ring
Gasket
20 (200, 14)
CollarBushing No.3 Timing
Belt Cover
x 6
x 6

O±Ring
49 (500, 36)LH Exhaust
Manifold Stay
(Except M/T and
California A/T ) Oil Dipstick Guide Engine WireRH Exhaust Manifold
RH Exhaust
Manifold Stay

Gasket
20 (200, 14)
Heated Oxygen Sensor
(Bank 2 Sensor 1)
Connector
34 (350,25)
49 (500, 36)
LH Exhaust
Manifold Stay
LH Exhaust Manifold
California A/T
M/T and California A/T

Gasket
Camshaft
Position Sensor
ConnectorGasket RH
Exhaust
Manifold
Stay
(Except M/T and Calif. A/T)
Camshaft Position Sensor
LH Exhaust Manifold
(Except California A/T)
49 (500, 36)
x 6 EM±30
± ENGINE MECHANICAL (1MZ±FE)CYLINDER HEAD
1316 Author: Date:

EM04S±05
S04528
Hexagon
Clip
A06658
(l)
(m) (n)
S05049
(o)
(p)
(q) (s)(r)
(t) EM±32
± ENGINE MECHANICAL (1MZ±FE)CYLINDER HEAD
1318 Author: Date:
REMOVAL
1. DRAIN ENGINE COOLANT
2. REMOVE AIR CLEANER CAP ASSEMBLY AND AIR
FILTER
3. REMOVE ENGINE RH FENDER APRON SEAL
4. REMOVE FRONT EXHAUST PIPE (See page EM±71)
5. REMOVE RH ENGINE MOUNTING STAY
6. REMOVE V±BANK COVER
(a) Using a 5 mm hexagon wrench, remove the 2 nuts.
(b) Disconnect the 2 clips, and remove the cover.
7. REMOVE HIGH±TENSION CORD SET
(See page IG±7)
8. REMOVE AIR INTAKE CHAMBER ASSEMBLY
(a) Disconnect the accelerator cable.
(b) Disconnect the A/T throttle cable.
(c) Disconnect the throttle position sensor connector.
(d) Disconnect the IAC valve connector.
(e) Disconnect the EGR gas temperature sensor connector.
(f) Disconnect the EGR valve position sensor connector.
(g) Disconnect the VSV connector for the ACIS.
(h) Disconnect the VSV connector for the EVAP.
(i) Disconnect the VSV connector for the EGR.
(j) Disconnect the DLC1 from the bracket on the intake air
control valve.
(k) Remove the 2 nuts, and disconnect the PS pressure tube
from the No.1 engine hanger.
(l) Disconnect the PCV hose from the PCV valve on the RH
cylinder head.
(m) Disconnect the ground strap and cable from the intake air
control valve for the ACIS.
(n) Disconnect the ground cable from the air intake chamber.
(o) Disconnect the brake booster vacuum hose from the air
intake chamber.
(p) Disconnect the 2 water bypass hoses from the throttle
body.
(q) Disconnect the air assist hose from the throttle body.
(r) Disconnect the purge hose from the pipe on emission
control valve set.
(s) Disconnect the 2 vacuum hoses from the vacuum tank for
the ACIS.

P20049Gasket
A05077
Clamp
Clamp
Clamp
S04786
EM±34
± ENGINE MECHANICAL (1MZ±FE)CYLINDER HEAD
1320 Author: Date:
10. REMOVE WATER OUTLET
(a) Disconnect the ECT sender gauge connector.
(b) Disconnect the ECT sensor connector.
(c) Disconnect the ground strap (connector).
(d) Disconnect the radiator hose.
(e) Disconnect the engine coolant reservoir hose.
(f) Remove the 2 bolts, 2 nuts and 2 plate washers.
(g) Disconnect the water bypass hose, and remove the water
outlet.
(h) Remove the 2 gaskets.
11. REMOVE GENERATOR DRIVE BELT
(See page CH±6)
12. REMOVE PS PUMP (See page SR±21)
13. REMOVE IGNITION COILS
14. REMOVE SPARK PLUGS
15. REMOVE TIMING BELT (See page EM±15)
16. REMOVE CAMSHAFT TIMING PULLEYS
(See page EM±15)
17. REMOVE NO.2 IDLER PULLEY (See page EM±15)
18. REMOVE NO.3 TIMING BELT COVER
(a) Disconnect the 3 engine wire clamps from the timing belt
cover.
(b) Remove the 6 bolts and timing belt cover.
19. DISCONNECT ENGINE WIRE PROTECTOR FROM
REAR SIDE
Remove the 2 nuts, and disconnect the engine wire protector
from the RH cylinder head and water inlet.

A06649
Manifold
Stay M/T and California A/T
Manifold
Stay
Except M/T and California A/T
P18769
A01522
Manifold
Stay California A/T
Manifold Stay
(Except M/T)Except California A/T
EM±36
± ENGINE MECHANICAL (1MZ±FE)CYLINDER HEAD
1322 Author: Date:
25. REMOVE RH EXHAUST MANIFOLD
(a) California A/T:
Disconnect the A/F sensor connector.
(b) Except California A/T:
Disconnect the heated oxygen sensor (bank 1 sensor 1)
connector.
(c) Remove the bolt, nut and exhaust manifold stay.
(d) Remove the 6 nuts, exhaust manifold and gasket.
26. REMOVE PS PUMP BRACKET
Remove the 3 bolts and pump bracket.
27. REMOVE LH EXHAUST MANIFOLD
(a) California A/T:
Disconnect the A/F sensor connector.
(b) Except California A/T:
Disconnect the heated oxygen sensor (bank 2 sensor 1)
connector.
(c) Except M/T:
Remove the bolt, nut and exhaust manifold stay.
(d) Remove the 6 nuts, exhaust manifold and gasket.
28. REMOVE CAMSHAFT POSITION SENSOR

P12812
: Seal Packing
Front
RH Side
LH Side
A06649
Manifold
StayM/T and California A/T
Manifold
Stay
Except M/T and California A/T
P18773
EM±64
± ENGINE MECHANICAL (1MZ±FE)CYLINDER HEAD
1350 Author: Date:
9. INSTALL CYLINDER HEAD COVERS
(a) Apply seal packing to the cylinder heads as shown in the
illustration.
Seal packing: Part No. 08826±00080 or equivalent
(b) Install the gasket to the cylinder head cover.
(c) Install the cylinder head cover with the 8 bolts. Uniformly
tighten the bolts in several passes. Install the 2 cylinder
head covers.
Torque: 8 N´m (80 kgf´cm, 69 in.´lbf)
10. INSTALL RH EXHAUST MANIFOLD
(a) Install a new gasket and the exhaust manifold with the 6
nuts. Uniformly tighten the nuts in several passes.
Torque: 49 N´m (500 kgf´cm, 36 ft´lbf)
(b) Install the exhaust manifold stay with the bolt and nut. Al-
ternately tighten the bolt and nut.
Torque:
M/T and California A/T
34 N´m (350 kgf´cm, 25 ft´lbf)
Except M/T and California A/T:
20 N´m (200 kgf´cm, 15 ft´lbf)
(c) California:
Connect the A/F sensor connector.
(d) Except California:
Connect the heated oxygen sensor (bank 1 sensor 1)
connector.
11. INSTALL NO.1 EGR PIPE
Install 2 new gaskets and the EGR pipe with the 4 nuts.
Torque: 12 N´m (120 kgf´cm, 9 ft´lbf)
12. INSTALL PS PUMP BRACKET
Torque: 43 N´m (440 kgf´cm, 32 ft´lbf)