FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Monitor DTC Status





P0449 Evaporative Emission System Vent Valve/Solenoid Circuit

Scantool Diagnostics - Monitor Scantool Data

Monitor Scantool Data

1. Connect scantool on the DLC (Data Link Connector)
2. Perform Action Test for Canister Vent Solenoid Valve with scantool
3. Check that clicking sound can be heard by actuation test.




4. Is the CCV normal?
YES
1) Fault is intermittent caused by poor contact in the sensor's and/or PCM's connector or was repaired and PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification of vehicle Repair" procedure.
NO
1) Go to "Terminal and Connector Inspection" procedure