Monitor DTC Status

P0456 Evaporative Emission System-Leak detected (very small leak)

Scantool Diagnostics - Monitor Scantool Data

Monitor Scantool Data

1. Connect scantool to DLC (Data Link Cable)
2. Warm -up the engine to normal operating temperature.
3. Erase DTC currently displayed.
4. Perform the "EVAP. LEAKAGE TEST" with scantool.




5. Is the same DTC displayed after "EVAP. LEAKAGE TEST" has done?
YES
1) Go to "System Inspection" procedure.
NO
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.