Exhaust gas control - Exhaust gas control system
3. PCV valve assembly [4G18-1014110]
(a) Blow air into valve from cylinder side and check the air is
easy to get through.
Warning: do not suck against the valve, because the
gasoline left in the valve will make you be
injured.
(b)Blow air into valve from intake manifold side and check
the air is hard to get through.
Hint: if the function does not conform to the standard, PCV
valve should be replaced.
Inspection
1. Carbon canister assembly [4G18-1129020]
Carbonl canister assembly. Check the function of carbon can-
ister according to the following tables.
Standard:
2. Carbon canister control valve
(a) For carbon canister control valve, check the conduction be-
tween terminals.
Resistance:
(b) Check the control valve operates.
(1) Supply battery voltage to its terminal.
(2) Check air is flown as the arrow direction on valve body.
25
Inspection Methods Standard
Close B hole and C hole and then
supply vacuum to A hole No leakage
Close C hole and then supply vacuum Air flown out
to A hole from B hole
Close C hole and then blow air Air flown out
into A hole from B hole
Blow air into A hole Air flown out from B hole
and C hole
Clean hose
Cylinder side
Intake manifold side
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