Lexus LS400 (2000 year). Service manual — part 72

EC03V–03

B10667

EVAP Service Port

VSV for Canister
Closed Valve

Charcoal Canister

Vapor
Pressure
Sensor

VSV for
EVAP

VSV for Canister
Closed Valve (CCV)

EVAP Line

Purge Line

Vent Line

Air Inlet Line

Air Drain Hose

TWC

Air Cleaner

Fuel Tank

TWC

Fuel Vapor
Feed Pipe

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EMISSION CONTROL

PARTS LAYOUT AND SCHEMATIC DRAWING

EC–3

1305

DRAWING

EC03W–02

B01745

Clean Hose

Cylinder Head Side

B01746

Intake
Manifold
Side

Clean Hose

B01747

EC–4

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EMISSION CONTROL

POSITIVE CRANKCASE VENTILATION (PCV)
SYSTEM

1306

POSITIVE CRANKCASE
VENTILATION (PCV) SYSTEM

INSPECTION

1.

REMOVE PCV VALVE

2.

INSTALL CLEAN HOSE TO PCV VALVE

3.

INSPECT PCV VALVE OPERATION

(a)

Blow air into the cylinder head side, and check that air
passes through easily.

CAUTION:
Do not suck air through the valve.
Petroleum substances inside the valve are harmful.

(b)

Blow air into the air intake chamber side, and check that
air passes through with difficulty.

If operation is not as specified, replace the PCV valve.
4.

REMOVE CLEAN HOSE FROM PCV VALVE

5.

REINSTALL PCV VALVE

6.

VISUALLY INSPECT HOSE, CONNECTIONS AND
GASKETS

Check for cracks, leaks or damage.

EC0ER–01

B10152

Charcoal Canister

Trim Front Cover

Luggage Compartment Floor Mat

Speaker Grille

High–Mounted
Stop Light

CRS Tether Anchor Cover

CANADA:

21 (210, 15)

Tether Anchor Bracket

CANADA:

Package Tray Trim

Rear Seatback

Rear Seat Belt

41 (420, 30)

Rear Seat Cushion

N·m (kgf·cm, ft·lbf)

: Specified torque

18 (185, 13)

Rear Seat Side Garnish

Rear Door Scuff Plate

Roof Side
Inner Garnish

Assist Grip

Rear Personal Light

Spot Light

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EMISSION CONTROL

EVAPORATIVE EMISSION (EVAP) CONTROL SYSTEM

EC–5

1307

EVAPORATIVE EMISSION (EVAP) CONTROL SYSTEM

COMPONENTS

B10158

Charcoal Canister

EVAP Line
Hose

Purge Line Hose

Air Drain Hose

Charcoal Canister

Lead Wire Connector

Vent Line Hose

Charcoal Canister Bracket

Air Inlet Hose

EC–6

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EMISSION CONTROL

EVAPORATIVE EMISSION (EVAP) CONTROL SYSTEM

1308