Lexus RX300 (MCU15). Manual — part 420
FI0VN–01
B04799
Intake Air Control Valve
z
Gasket
Actuator Vacuum Hose
Ground Strap
Ground Cable
N·m (kgf·cm, ft·lbf)
: Specified torque
z
Non–reusable part
14.5 (145, 10)
–
ELECTRONIC FUEL INJECTION
ACOUSTIC CONTROL INDUCTION SYSTEM (ACIS)
FI–51
LEXUS RX300 (RM785E)
COMPONENTS
FI0VO–01
B04802
FI–52
–
ELECTRONIC FUEL INJECTION
ACOUSTIC CONTROL INDUCTION SYSTEM (ACIS)
LEXUS RX300 (RM785E)
REMOVAL
1.
DISCONNECT ACTUATOR VACUUM HOSE
2.
DISCONNECT DLC1 FROM DLC1 BRACKET
3.
REMOVE INTAKE AIR CONTROL VALVE
(a)
Remove the 4 nuts and DLC1 bracket, and disconnect the
ground strap and cable.
(b)
Remove the intake air control valve by prying a screwdriv-
er between the intake air control valve and air intake
chamber.
(c)
Remove the gasket.
FI0VP–01
S05041
Vacuum
S05689
Air
Air
S05688
Vacuum
–
ELECTRONIC FUEL INJECTION
ACOUSTIC CONTROL INDUCTION SYSTEM (ACIS)
FI–53
LEXUS RX300 (RM785E)
INSPECTION
1.
INSPECT INTAKE AIR CONTROL VALVE
(a)
With 26.7 kPa (200 mmHg, 7.9 in.Hg) of vacuum applied
to the actuator, check that the actuator rod moves.
(b)
One minute after applying the vacuum in (a), check that
the actuator rod does not return.
If the operation is not as specified, replace the intake air control
valve.
2.
INSPECT VACUUM TANK
LOCATION: The LH side member under the battery tray.
(a)
Check that air flows from port B to port A.
(b)
Check that air does not flow from port A to port B.
(c)
Plug port B with your finger, and apply 26.7 kPa (200
mmHg, 7.9 in.Hg) of vacuum to port A, and check that
there is no change is vacuum after one minute.
If the operation is not as specified, replace the vacuum tank.
3.
INSPECT VSV (See page FI–62)
FI0VQ–01
B04803
New Gasket
S05052
Seal
Packing
Rubber
Seal
Packing
FI–54
–
ELECTRONIC FUEL INJECTION
ACOUSTIC CONTROL INDUCTION SYSTEM (ACIS)
LEXUS RX300 (RM785E)
INSTALLATION
1.
INSTALL INTAKE AIR CONTROL VALVE
(a)
Install a new gasket to the air intake chamber.
(b)
Apply a light coat of engine oil to the rubber portions.
(c)
Apply seal packing to the positions of the intake air control
valve shown in the illustration.
Seal packing: Part No. 08826–00080 or equivalent
(d)
Install the intake air control valve, DLC1 bracket, ground
strap and cable with the 4 nuts.
Torque: 14.5 N·m (145 kgf·cm, 10 ft·lbf)
2.
CONNECT DLC1
3.
CONNECT ACTUATOR VACUUM HOSE
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