P0441

DTC P0441

DTC Detecting Condition and Trouble Area






Wiring Diagram










DTC Confirmation Procedure

WARNING:

If you do not select a suitable route and take proper precautions when performing a road test, an accident can occur.

- Select a level road with no traffic to minimize the risk of accident.
- Perform the test extremely carefully.
- Perform the road test using 2 persons, a driver and an assistant.

NOTE:

If DTCs other than aimed DTC are previously detected in DTC confirmation procedure, be sure to troubleshoot DTC previously detected.

1) Warm up engine to normal operating temperature.
2) Drive vehicle at 50 - 100 km/h (30 - 60 mile/h) for 1 min.

DTC Troubleshooting


1.
Was "Engine and Emission Control System Check" performed?
YES
Go to Step 2.
NO
Go to Engine and Emission Control System Check.

2. Purge line check

Visually check purge line for connection, leakage, clogging and deterioration.

Are they in good condition?
YES
Go to Step 3.
NO
Repair or replace.

3. EVAP canister purge valve performance check

Check EVAP canister purge valve for performance. EVAP Canister Purge System Inspection

Is it in good condition?
YES
Go to Step 4.
NO
Replace EVAP canister purge valve.

4. EVAP canister purge valve circuit check

Check EVAP canister purge valve circuit according to Step 2 through 3 under P0443 DTC P0443.

Is it in good condition?
YES
Go to Step 5.
NO
Repair or replace defective circuit.

5. EVAP system check

Check the following parts for clogging.
- EVAP canister
- EVAP canister air suction filter
- EVAP system passage
- EVAP vent valve in EVAP leak check module

Are they in good condition?
YES
Substitute a known-good ECM and recheck.
NO
Clean, repair or replace defective parts.