Diagnosis Procedure
1.
CHECK EVAP CONTROL SYSTEM FOR CLOGGING
With M.U.T.-III SE
Turn ignition switch OFF.
Disconnect EVAP purge hose
from EVAP canister purge volume control valve.
Disconnect fuel tank vent hose
from EVAP canister.
Turn ignition switch ON (engine stopped).
On M.U.T.-III SE screen, select “ENGINE” >> “Work support” >> “EVAP SYSTEM CLOSE”.
Apply positive pressure (not vacuum) to the hose end
using Vacuum/Pressure Hand Pump according to M.U.T.-III SE screen instructions.
Check that the applied pressure does not increase and that pressure is not held.
Is the inspection result normal?
Check fuel tank vent line for clogs, vent and installation condition.
Replace EVAP canister. Refer to
Removal and Installation
.