STEP 1. Check of harness damage in COVB line between MFI relay connector and evaporative leak check module connector.
STEP 2. Check of harness damage in EVB, ECOV, EVSE, EVS and EVSS line between evaporative leak check module connector and ECM connector.
STEP 3. Check of harness damage in E line between evaporative leak check module connector and ground.
STEP 4. Check of harness damage in power supply line between MFI relay connector and bypass valve connector.
STEP 5. Check of harness damage in VAPR line between bypass valve connector and ECM connector.
STEP 6. Check clogging of the evaporative leak check module air inlet and vent pipe
STEP 7. Replace the evaporative emission canister.
(1) Replace the evaporative emission canister.
(2) Carry out an evaporative emission system monitor. Refer to Evaporative Emission System Monitor Test . (3) Check the item 194, EVP Leak from Canister in the data list.
(4) Turn off the power supply mode of the electric motor switch.
Is the data list "Normal"?
The inspection is complete. Replace the ECM (Refer to Removal and Installation ). Then go to Step 8.
STEP 8. Test the OBD-II drive cycle.
(1) Carry out a test drive with the drive cycle pattern. Refer to Diagnostic Function - OBD-II Drive Cycle - Pattern 3 . (2) Check the diagnostic trouble code (DTC).
Is DTC P04EF set?
Repeat the troubleshooting. The procedure is complete.