Scantool Diagnostics

Engine Control
P0455 Evaporative Emission System-Leak detected(Large leak) - Scantool Diagnostics

Monitor GDS Data

1. Connect GDS to Data Link Connector(DLC).
2. IG "ON".
3. Select "DTC" button, and then Press "DTC Status" to check DTC's information from the DTCs menu.
4. Read "DTC Status" parameter.




5. Is parameter displayed "Present fault" ?





Evap. Leakage Test
1. Cool the vehicle down for about two hours to prevent misdiagnosis.
2. Install GDS and IG "ON" and then clear DTC.
3. Select and press "EVAP.LEAKAGE TEST" mode in the GDS.
4. Check if the vehicle is under test conditions as below [Fig 1].
5. If OK, Start engine and restart Evap.Leakage Test again[Fig 2].








6. Is the same DTC set after the Evap.leakage test with GDS ?