Circuit/System Verification
WARNING: This page is about a different variant/trim than selected.
- Ignition/Vehicle - Off
- Verify the following conditions do not exist:
- Q12 Evaporative Emission Purge Solenoid Valve - Incorrect connection/Incorrect installation/Leaking/Visible Damage
- Vacuum Hoses @ Q12 Evaporative Emission Purge Solenoid Valve - Incorrect connection / Incorrect installation/Incorrect routing
- If a condition exists
Repair or replace as necessary
- Go to next step: If no condition exists
- Ignition - On / Vehicle - In Service Mode
- Verify DTC P0451 - P0454 is not set.
- If any of the DTCs are set
Refer to: DTC P0451-P0454
- Go to next step: If none of the DTCs are set
- If any of the DTCs are set
- Engine - Idling
- Perform the scan tool control function: - EVAP Purge/Seal Not Venting
- Verify the scan tool parameter: Fuel Tank Pressure Sensor = Less than 9.3 mmHg (5.0 in. H2O) - After 60 s
- If 9.3 mmHg (5.0 in. H2O) or greater
Test or replace the component: Q12 Evaporative Emission Purge Solenoid Valve
- Go to next step: If less than 9.3 mmHg (5.0 in. H2O)
- If 9.3 mmHg (5.0 in. H2O) or greater
- Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
Verify the DTC does not set.
- If the DTC sets
Repeat the procedure starting at step 2
- Go to next step: If the DTC does not set
- If the DTC sets
- All OK.