STEP 1. Using scan tool (M.U.T.-IIISE), read the diagnostic trouble code (DTC).
caution | To prevent damage to scan tool (M.U.T.-IIISE), always turn off the power supply mode of the electric motor switch before connecting or disconnecting scan tool (M.U.T.-IIISE). |
(1) Connect scan tool (M.U.T.-IIISE). Refer to HOW TO CONNECT THE SCAN TOOL (M.U.T.-IIISE) . (2) Turn on the power supply mode of the electric motor switch.
(3) Read the DTC.
(4) Turn off the power supply mode of the electric motor switch.
Is DTC P0458 or P0459 set?
Refer to DTC P0458 - Evaporative Emission Control System Purge Control Valve Circuit Low Input , DTC P0459 - Evaporative Emission Control System Purge Control Valve Circuit High Input . Go to Step 2.
STEP 2. Check the evaporative emission purge solenoid for clogs.
STEP 3. Check of harness damage in PURG line between evaporative emission purge solenoid connector and ECM connector.
STEP 4. Check of harness damage in power supply line between MFI relay connector and evaporative emission purge solenoid connector.
STEP 5. Check piping clogging between the evaporative emission purge solenoid and bypass valve.
STEP 6. Using scan tool (M.U.T.-IIISE), check the evaporative emission system monitor test.
STEP 7. 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) Read the diagnostic trouble code.
Is DTC P04E0 set?
Retry the troubleshooting. The inspection is complete.