EC–4
Cylinder Head side
EMISSION CONTROL (1MZ–FE)
POSITIVE CRANKCASE
VENTILATION (PCV) SYSTEM
INSPECTION
1.
(a)
(b)
(c)
CAUTION:
Do not suck air through the valve.
Petroleum substances inside the valve are harmful.
Clean Hose
P02006
Air Intake
Chamber Side
If operation is not as specified, replace the PCV valve.
(d)
(e)
P02477
2.
Visually check for cracks, leaks or damage.
P12931
–
POSITIVE CRANKCASE VENTILATION (PCV)
SYSTEM
INSPECT PCV VALVE
Remove the PCV valve.
Install clean hose to the PCV valve.
Inspect the PCV valve operation.
(1)
Blow air into the cylinder head side, and check that
air passes through easily.
(2)
Blow air into the air intake chamber side, and check
that air passes through with difficulty.
Remove clean hose from the PCV valve.
Reinstall the PCV valve.
INSPECT HOSES, CONNECTIONS AND GASKETS
Author :
EC01X–03
Date :
1419