Evaporative Emissions System: Testing and Inspection

EVAP Test

This test is conducted to check EVAP system for its power operation.

Tech 2 must be used for this test.

Test Procedure:
1. Connect Tech 2 to the vehicle DLC.
2. Run the Engine at idle.




3. Select F3: Miscellaneous Test in the Application Menu.




4. Select F2: EVAP Test in the Miscellaneous Test.




5. Select F0: Purge Solenoid.




6. Push "Decrease" or "Increase" soft key.

7. Control EVAP Purge Solenoid and check a data list.
- If the data list changes, the Purge Solenoid is normal.

8. Turn engine off, turn ignition SW "On".




9. Select F1: EVAP Vent Solenoid.




10. Push "On" or "Off" soft key.

11. Control EVAP Vent Solenoid and check data list.
- If the data list changes, the EVAP Vent Solenoid is normal.