Mode 4 (EVAP System Repair Verification)

NOTE:
- If Mode 4 can not be performed (you can not drive the vehicle under Mode 4 condition), perform evaporative system test procedure as an alternative.
- Mode 4 can be performed regardless RFC FLAG condition.




1. Verify that the following conditions are met. All conditions must be within specifications before engine started to initiate the evaporative system test.
- Barometric pressure: 72.0 kPa {540 mmHg, 21.3 inHg} or higher
- Intake air temperature: 10 - 60 °C {50 - 140 °F}
- Fuel tank level: 0.5 - 2.5 V
- Engine coolant temperature: -10 °C - X °C {14 °F - X °F} (X, the Engine coolant temperature upper limit, is determined according to the barometric pressure as shown the graph.)

2. Verify all accessory loads (A/C, headlights, blower fan, rear window defroster) are off.
3. Start the engine and race it at 3,500 rpm to warm up completely.




4. Drive the vehicle as shown in the graph.
5. Stop vehicle and access to ON BOARD SYSTEM READINESS menu of GENERIC OBD II FUNCTION to inspect the Drive Mode completion status. If completed, RFC changes from NO to YES.
6. If not completed, turn the ignition key off then go back to Step 1.
7. Access to DIAGNOSTIC MONITORING TEST RESULTS menu of GENERIC OBD II FUNCTION to inspect the monitor results. If MEAS are not within specification, repair has not completed.
8. Verify no DTCs are available.