2000 TOYOTA CAMRY O2 sensor

PRECAUTION
1. Before working on the fuel system, disconnect the
negative (±) terminal cable from the battery.
HINT: Any diagnostic trouble code retained by the
computer will be erased when the battery terminal is
removed.
Therefore, if necessary, read the diagnosis before
removing the terminal.
CAUTION: Work must be started after 90 seconds from
the time the ignition switch is turned to the 'LOCK'
position and the negative (±) terminal cable is discon±
nected from the battery.
2. Do not smoke or work near an open flame when
working on the fuel system.
3. Keep gasoline away from rubber or leather parts.
3. IN EVENT OF ENGINE MISFIRE, FOLLOWING
PRECAUTIONS SHOULD BE TAKEN
(a) Check proper connection of battery terminals, etc.
(b) Handle high±tension cords carefully.
(c) After repair work, check that the ignition coil termi±
nals and all other ignition system lines are reconne±
cted securely.
(d) When cleaning the engine compartment, be especially
careful to protect the electrical system from water.
4. PRECAUTIONS WHEN HANDLING OXYGEN
SENSOR
(a) Do not allow oxygen sensor to drop or hit against an
object.
(b) Do not allow the sensor to come into contact with
water.
MAINTENANCE PRECAUTIONS
1. CHECK CORRECT ENGINE TUNE±UP
(See page EG1±8)
2. PRECAUTION WHEN CONNECTING GAUGE
(a) Use battery as the power source for the timing light,
tachometer, etc.
(b) Connect the tester probe of a tachometer to the termi±
nal IGE) of the data link connector 1.
± 5S±FE ENGINEMFI/SFI SYSTEMEG1±172

5. REMOVE AIR CLEANER CAP, RESONATOR AND
AIR CLEANER HOSE
(a) Disconnect the intake air temperature sensor connector.
(b) California only:
Disconnect the air hose from the air cleaner hose.
(c) Loosen the air cleaner hose clamp bolt.
(d) Disconnect the 4 air cleaner cap clips.
(e) Disconnect the air cleaner hose from the throttle
body, and remove the air cleaner cap together with
the resonator and air cleaner hose.
INJECTORS REMOVAL
(See Components for Removal and Installation)
1. DISCONNECT NEGATIVE (±) TERMINAL CABLE
FROM BATTERY
CAUTION: Work must be started after 90 seconds from
the time the ignition switch i: turned to the ªLOCKº
position and the negative (±) terminal cable is discon±
nected from the battery.
2. DRAIN ENGINE COOLANT
3. A/T:
DISCONNECT THROTTLE CABLE FROM
THROTTLE BODY
4. DISCONNECT ACCELERATOR CABLE FROM
THROTTLE BODY
6. REMOVE THROTTLE BODY
(a) Disconnect throttle position sensor connector.
(b) Disconnect IAC valve connector.
± 5S±FE ENGINEMFI/SFI SYSTEMEG1±191

10. DISCONNECT VACUUM HOSES
Disconnect the following hoses:
(1) MAP sensor hose from air intake chamber
(2) Brake booster vacuum hose from air intake chamber
(3) Vacuum sensing hose from fuel pressure regulator
11. w/ A/C:
DISCONNECT A/C IDLE±UP VALVE CONNECTOR
12. DISCONNECT 2 ENGINE WIRE GROUND STRAPS
FROM INTAKE MANIFOLD
13. DISCONNECT KNOCK SENSOR AND VSV (FOR
EGR) CONNECTORS
14. CALIFORNIA ONLY:
DISCONNECT VSV (FOR FUEL PRESSURE CONTROL)
CONNECTOR AND VACUUM HOSES
15. REMOVE BOLT AND WIRE CLAMP, AND DISCON±
NECT ENGINE WIRE HARNESS 9. REMOVE EGR VALVE AND VACUUM MODULATOR
(a) Disconnect the EGR gas temperature sensor connec-
tor.
(b) Disconnect the following hoses:
(1) 2 vacuum hoses from VSV (for EGR)
(2) Vacuum hose from charcoal canister
(c) Disconnect the vacuum hose clamp.
16. REMOVE INTAKE MANIFOLD
(a) Remove the 4 bolts, wire bracket, No.1 air intake
chamber and manifold stays. (d) Loosen the union nut of the EGR pipe, and remove the
2 nuts, the EGR valve, vacuum modulator, vacuum
hoses assembly and gasket.
± 5S±FE ENGINEMFI/SFI SYSTEMEG1±193

4. CONNECT ENGINE WIRE HARNESS WITH WIRE
CLAMP AND BOLT
5. CALIFORNIA ONLY:
CONNECT VSV (FOR FUEL PRESSURE CONTROL)
CONNECTOR AND VACUUM HOSES
6. CONNECT KNOCK SENSOR AND VSV (FOR EGR)
CONNECTORS
7. CONNECT 2 ENGINE WIRE GROUND STRAPS TO
INTAKE MANIFOLD
10. INSTALL EGR VALVE AND VACUUM MODULATOR
(a) Install a new gasket and the EGR valve with the union
nut and 2 nuts.
Union nut
Torque: 59 N±m (600 kgf±cm. 43 ft±lbf)
Nut
Torque: 13 N±m (130 kgf±cm. 9 ft±lbf)
(b) Install the EGR vacuum modulator to the clamp. 8. CONNECT VACUUM HOSES
Connect the following hoses:
(1) MAP sensor hose to air intake chamber
(2) Brake booster vacuum hose to air intake chamber
(3) Vacuum sensing hose to fuel pressure regulator.
9. w/ A/C:
CONNECT A/C IDLE±UP VALVE CONNECTOR (c) Install the No. 1 air intake chamber and manifold stays,
wire bracket with the 4 bolts.
14 mm head bolt
Torque: 42 N±m (425 kgf±cm, 31 ft±lbf)
12 mm head bolt
Torque: 22 N±m (220 kgf±cm, 16 ft±lbf)
(b) Install a new gasket and the intake manifold with the
6 bolts and 2 nuts. Uniformly tighten the bolts and
nuts in several passes.
Torque: 19 N±m (195 kgf±cm, 14 ft±lbf)
± 5S±FE ENGINEMFI/SFI SYSTEMEG1±199

(c) Connect the vacuum hose clamp.
(d) Connect the following hoses:
(1) Vacuum hose to charcoal canister
(2) Vacuum hose (from EGR valves) to E port of VSV
(for EGR)
(3) Vacuum hose (from Q port EGR vacuum modula±
tor) to G port of VSV (for EGR)
(e) Connect the EGR gas temperature sensor connector.
13. INSTALL THROTTLE BODY
(a) Connect the following hoses to the throttle body:
(1) Water bypass hose from water outlet
(2) Water bypass hose from water bypass pipe
(3) California:
Air hose from cylinder head
Except California:
Air hose to air tube11. CONNECT VACUUM HOSES TO VSV (FOR EVAP)
(a) From P port of throttle body
(b) From charcoal canister
(b) Place a new gasket on the intake chamber, facing the
protrusion downward. 12. CONNECT PS VACUUM HOSES
± 5S±FE ENGINEMFI/SFI SYSTEMEG1±200

(c) Type A:
Install the throttle body with the 4 bolts.
Torque: 19 N±m (195 kgf±cm, 14 ft±lbf)
Bolt length:
A 45 mm (1.77 in.)
B 55 mm (2.17 in.)
(d) Type B:
Install the throttle body with the 2 bolts and 2 nuts.
Torque: 19 N±m (195 kgf±cm, 14 ft±lbf)
14. INSTALL AIR CLEANER CAP, RESONATOR AND
AIR CLEANER HOSE
(a) Connect the air cleaner hose to the throttle body.
(b) Install the air cleaner cap together with the resonator
and air cleaner hose.
(c) California only:
Connect the air hose to the air cleaner hose.
(d) Connect the intake air temperature sensor connector.
15. A/T:
CONNECT AND ADJUST THROTTLE CABLE
16. CONNECT AND ADJUST ACCELERATOR CABLE
17. FILL WITH ENGINE COOLANT
Capacity:
6.3 liters (6.7 US qts. 5.5 Imp. qts)
18. CONNECT NEGATIVE (±) TERMINAL CABLE TO
BATTERY (e) Connect the following hoses to the throttle body:
(1) PCV hose
(2) 2 vacuum hoses from EGR vacuum modulator
(3) Vacuum hose from TVV (for EVAP)
(f) Connect the IAC valve connector.
(g) Connect the throttle position sensor connector.
± 5S±FE ENGINEMFI/SFI SYSTEMEG1±201

2. INSPECT THROTTLE POSITION SENSOR
(a) Apply vacuum to the throttle opener.
(b) Disconnect the sensor connector.
(c) Insert a thickness gauge between the throttle stop
screw and stop lever.
ON±VEHICLE INPSECTION
1. INSPECT THROTTLE BODY
(a) Check that the throttle linkage moves smoothly.
(b) Check the vacuum at each port.
wStart the engine.
wCheck the vacuum with your finger.
THROTTLE BODY
Other than idle
No vacuum
No vacuum No vacuum
No vacuum Port name
Vacuum Vacuum At idle
± 5S±FE ENGINEMFI/SFI SYSTEMEG1±204

3. INSPECT AND ADJUST THROTTLE OPENER
A. Warm up engine
Allow the engine to warm up to normal operating
temperature.
B. Check idle speed
Idle speed:
750 +50 rpm
C. Check and adjust throttle opener setting speed
(a) Disconnect the vacuum hose from the throttle opener,
and plug the hose end.
(b) Maintain the engine at 2,500 rpm.
(c) Release the throttle valve.
(d) Check that the throttle opener is set.
Throttle opener setting speed:
1,300 ± 1,500 rpm (w/ Cooling fan OFF) (d) Using an ohmmeter, measure the resistance between
each terminal.
(e) Reconnect the sensor connector.
Clearance between
lever and stop screw
Throttle valve fully
open0.50 mm (0.020 in.)
0.70 mm (0.028 in.)Between
terminals
2.0 ± 10.2 k
2.3 k
or less 0.2 ± 5.7 k

0 mm (0 in.)
2.5 ± 5.9 k
Resistance
VTA ± E2
IDL ± E2
VTA ± E2IDL ± E2
VC ± E2Infinity
± 5S±FE ENGINEMFI/SFI SYSTEMEG1±205