Typical Enabling Conditions
WARNING: This page is about a different car, the 2004 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
TYPICAL ENABLING CONDITIONS
| Item | Criteria | |
|---|---|---|
| Minimum | Maximum | |
| The monitor will run whenever the following DTCs are not present | See LIST OF DISABLE A MONITOR | |
| Common pre-conditions for 0.020 and 0.040 inch: | ||
| Altitude | - | 2,400 m (7,872 ft.) |
| Throttle position learning | Completed | |
| Vapor pressure sensor | No malfunction | |
| Difference between intake air temperature and engine coolant temperature at engine start. | -7°C (-19.4°F) | 11.1°C (52°F) |
| Vehicle speed condition | A or B | |
| A. Time after vehicle stopped (less than 6 mph (10 km/h)) | 90 seconds | - |
| B. Time after vehicle started (4 mph (7 km/h) or more) | 20 seconds | - |
| 0.020 inch malfunction detection: | ||
| Engine coolant temperature at engine start | 10°C (50°F) | 32°C (89.6°F) |
| Intake air temperature at engine start | 10°C (50°F) | 32°C (89.6°F) |
| Intake air temperature | 10°C (50°F) | - |
| Fuel level condition in fuel tank during leak check | Fuel slosh is small (must not drive on road with bad conditions) | |
| Time after engine start | - | 50 minutes |
| Fuel tank pressure condition before leak check (Fuel tank condition before closed negative pressure introduction) | Fuel tank internal pressure change is small before negative pressure introduction. (Reference: If fuel in the tank is high temperature, vapor volume increase and the internal pressure changes also increase) |
|
| Vehicle speed and intake air amount condition before and after negative pressure introduction | Steady speed and not change greatly of intake air amount | |
| Fuel level | - | 90% |
| 0.020 inch leak detection | Not completed | |
| 0.040 inch leak detection | Not detected | |
| VSV for CCV malfunction, bypass VSV malfunction | Not detected | |
| Vehicle speed | - | 81 mph (130 km/h) |
| VSV for EVAP (Evap purge VSV) malfunction | Not detected | |
| 0.040 inch malfunction: | ||
| Engine coolant temperature at engine start | 10°C (50°F) | 35°C (95°F) |
| Intake air temperature at engine start | 10°C (50°F) | 35°C (95 °F) |
| Intake air temperature | 10°C (50°F) | - |
| Fuel level condition in fuel tank during leak check | Fuel slosh is small (must not drive on road with bad conditions) | |
| Time after engine start | - | 50min |
| Fuel tank pressure condition before leak check (Fuel tank condition before closed negative pressure introduction) | Fuel tank internal pressure change is small before negative pressure introduction. (Reference: If fuel in the tank is high temperature, vapor volume increase and the internal pressure changes also increase) |
|
| Vehicle speed and intake air amount condition before and after negative pressure introduction | Steady speed and not change greatly of intake air amount | |
| Fuel level | - | 90% |
| 0.040 inch leak detection | Not completed | |
| Fuel tank pressure at vacuum introduction completed | -2.4 kPa(-18 mmHg) | - |
| P0446 VSV check | No executed | |