EVAP System Leak Monitor
This monitor applies to DTCs P0441, P0442, P0451, P0452, P0453, P0455 and P0456. Following conditions must be met during the test:
- Engine coolant temperature must be 113°F (45°C) or less.
- Atmospheric temperature is 41-113°F (5-45°C).
- Selector lever is in "D" range.
NOTE:
Remove all test equipment from vehicle and install all components and connectors that were removed or disconnected during testing.
Monitor takes about 8 minutes to complete. This cycle must be completed 2 times. Run monitor as shown. See Fig 1 . Perform steps as follows:
- Start engine.
- Accelerate to 55-60 MPH (89-97 km/h).
- Travel for 200 seconds or more while keeping the vehicle speed at 55-60 MPH (89-97 km/h).
- While keeping accelerator pedal opening degree constant, keep speed the vehicle speed at 55-60 MPH (89-97 km/h) and travel for 150 seconds or more (during monitor).
- Return the vehicle to the shop and turn the ignition switch to LOCK position.
- Check for DTCs.
- If DTC P0441, P0442, P0451, P0452, P0453, P0455 or P0456 resets, return to appropriate test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS .