Control actuator LEXUS LS430 2003 Factory Repair Manual

Fig. 28: Checking Rod Position
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Install the absorber control actuator to the pneumatic front LH w/shock absorber cylinder assy.
c. Until a response is felt, turn the absorber control actuator clockwise approx. 40°.
d. Connect the connector.

Fig. 3: Inspecting Intake Air Control Function
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Remove the V-bank cover.
b. Connect the hand-held tester (with CAN VIM) to the DLC3.
c. Perform the ACTIVE TEST, and then check that the actuator rod operates.
d. Start the engine.
e. Check that the VSV for IAC valve in ON (seal) under these conditions.
Depressing the accelerator pedal to a throttle valve opening angle of 60 degrees.
Racing the engine above 4,700 rpm.
f. Check that the VSV for IAC valve is OFF (vent) under these conditions.
The engine is idling.
Releasing the accelerator pedal while under the 2 conditions in step (e).
If the result is not as specified, inspect the IAC valve, vacuum tank and VSV for normal operation.
Replace malfunctioning parts as necessary.
INSPECTION
1.INSPECT INTAKE AIR CONTROL VALVE ACTUATOR
a. Connect the MITYVAC (han
d-held vacuum pump) to the actuator.

b. Apply a vacuum of 39.9 kPa (300 mmHg, 11.8 in.Hg) to the actuator and check that the actuator
rod moves.
c. One minute after applying the vacuum, check that the rod's position is the same as in step (a).
If the result is not as specified, replace the IAC valve actuator.
Fig. 4: Inspect Intake Air Control Valve Actuator

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2.INSPECT VACUUM TANK
a. Connect the MITYVAC (hand-held vacuum pump) to port A.
b. Apply a vacuum of 66.7 kPa (500 mmHg, 20 in.Hg) to the vacuum tank.
c. One minute after applying the vacuum, check that the pressure does not change.
If the result is not as specified, replace the vacuum control valve set.