EVAP EMISSION CONTROL SYSTEM
EVAP CANISTER PURGE INSPECTION
NOTE:
Before inspection, check to make sure that gear shift lever is
in neutral position (with A / T model, selector lever in “P”
range) and that parking brake lever is pulled all the way up.
1) Warn up engine to normal operating temperature.
2) Disconnect purge hose (1) from EVAP canister.
3) Place finger against the end of disconnected hose and check
that vacuum is not felt there when engine is running at idle
speed.
4) Also check that vacuum is felt when engine speed is increased
to higher than about 3000 r / min.
If check result is not satisfactory, check vacuum passage,
hoses, EVAP canister purge valve, wire harness and ECM
(PCM).
Refer to B-5 EVAPORATIVE EMISSION CONTROL SYSTEM
CHECK.
VACUUM PASSAGE INSPECTION
Start engine and run it at idle speed. Disconnect vacuum hose from
EVAP canister purge valve. With finger placed against hose dis-
connected, check that vacuum is applied.
If it is not applied, clean vacuum passage by blowing compressed
air.
VACUUM HOSE INSPECTION
Check hoses for connection, leakage, clog and deterioration.
Replace as necessary.
6E1-68
ENGIINE AND EMISSION CONTROL SYSTEM
SH410