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Home >> Lexus >> 2003 >> RX 300 AWD V6-3.0L (1MZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Fuel Delivery and Air Induction >> Variable Induction System >> Variable Induction Control Valve >> Service and Repair
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Variable Induction Control Valve: Service and Repair

Acoustic Control Induction System (ACIS):






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 screwdriver between the intake air control valve and air intake chamber.
c. Remove the gasket.

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

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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