Purge Control Inspection

PURGE CONTROL INSPECTION
- Start and warm up the engine to normal operating temperature.
- Let the engine idle.
- Disconnect the vacuum hose between the purge solenoid valve and the charcoal canister.
- Put a finger to the purge solenoid valve and verify that there is no vacuum applied.
- If there is vacuum, do as follows.
- Connect the Special Service Tools (SST)s New Generation Star (NGS) tester to the data link connector-2.
- Verify that diagnostic trouble code No. P0443 is not displayed. If code No. P0443 is shown, carry out troubleshooting of the code No. P0443.
- If diagnostic trouble codes are not shown, check the Purge Solenoid Valve.
- Reconnect the vacuum hose.
- Connect the SSTs (NGS) to the data link connector-2.




- Select the SIMULATION TEST function on the NGS display.
- Increase the duty value of the purge solenoid valve from 0% to 100% by using the "PRGV". Operate the purge solenoid valve and check if the idle condition changes.
- If the condition does not change, do as follows.
- Turn the ignition switch to ON.




- Verify that diagnostic trouble code No. P0443 is not displayed. If code No. P0443 is shown, carry out troubleshooting of the code No. P0443.




- Select the SIMULATION TEST function on the NGS display.
- Increase duty value of the purge solenoid valve from 0% to 100% by using the "PRGV". Operate the purge solenoid valve and check if the operation sound of the valve is heard.
- If the operation sound is heard, check for loose or damaged vacuum hose.
- If the operation sound is not heard, check the Purge Solenoid Valve.