Lexus GS300/400 (2000 year). Manual — part 215

SF0O1–02

B08976

Oil Dipstick and Guide for A/T

Engine Wire Clamp

VSV

Vacuum Tank

Vacuum Control Valve Set

VSV Connector

Vacuum Hose

O–Ring

Non–reusable part

Engine Cover

–

SFI (2JZ–GE)

VSV FOR ACOUSTIC CONTROL INDUCTION
SYSTEM (ACIS)

SF–53

1519

VSV FOR ACOUSTIC CONTROL INDUCTION SYSTEM (ACIS)

COMPONENTS

SF0O2–04

B01664

B01588

VSV Connect

Vacuum Hose

P02688

Ohmmeter

Continuity

P02687

Ohmmeter

No Continuity

SF–54

–

SFI (2JZ–GE)

VSV FOR ACOUSTIC CONTROL INDUCTION
SYSTEM (ACIS)

1520

INSPECTION

1.

REMOVE ENGINE COVER

Remove the 4 nuts and engine cover.
2.

REMOVE OIL DIPSTICK AND GUIDE FOR A/T
(See page

EM–62

)

3.

REMOVE VACUUM CONTROL VALVE SET

(a)

Remove the 2 nuts, and disconnect the vacuum tank from
the intake manifold.

(b)

Disconnect VSV connector and vacuum hoses, and re-
move the vacuum control valve set.

4.

REMOVE VSV

Remove the screw, vacuum hose and VSV.

5.

INSPECT VSV

(a)

Inspect the VSV for open circuit.
Using an ohmmeter, check that there is continuity be-
tween the terminals.
Resistance: 38.5 – 44.5

Ω

at 20

°

C (68

°

F)

If there is no continuity, replace the VSV.

(b)

Inspect the VSV for ground.
Using an ohmmeter, check that there is no continuity be-
tween each terminal and the body.

If there is continuity, replace the VSV.

P02689

Air

E

Filter

P02690

Air

E

F

Battery

–

SFI (2JZ–GE)

VSV FOR ACOUSTIC CONTROL INDUCTION
SYSTEM (ACIS)

SF–55

1521

(c)

Inspect the VSV operation.
(1)

Check that air flows from port E to the filter.

(2)

Apply battery positive voltage across the terminals.

(3)

Check that air flows from ports E to F.

6.

REINSTALL VSV

(a)

Install the VSV with the screw to the vacuum tank.

(b)

Install the vacuum hose.

7.

REINSTALL VACUUM CONTROL VALVE SET
Torque: 21 N·m (210 kgf·cm, 15 ft·lbf)

8.

REINSTALL OIL DIPSTICK AND GUIDE FOR A/T

HINT:
Using a new O–ring.
9.

REINSTALL SEGINE COVER

Reinstall the engine cover with the 4 nuts.

SF0O3–03

A07218

Vacuum Hose

VSV Connector for Vapor Pressure Sensor

VSV for Vapor Pressure Sensor

Vacuum Hose

Vacuum Hose

Charcoal Canister Assembly

VSV

SF–56

–

SFI (2JZ–GE)

VSV FOR VAPOR PRESSURE SENSOR

1522

VSV FOR VAPOR PRESSURE SENSOR

COMPONENTS