Fuel Tank Pressure, Graph Recording Procedure

1. Connect the SSTs (NGS tester) to DLC2.
2. Select the PID/DATA MONITOR AND RECORD function on the NGS display.
3. Select the following PIDs.
- CDCV
- FTP




4. Press START to view PIDs.




5. When you begin the drive mode 4, press the TRIGGER to capture the data.

NOTE: Watch the CDCV PID. When the PCM starts monitor the EVAP system, the PID valve change from OFF to ON. And when the test is completed, the PID will change back to OFF.

6. When the monitor changes back to OFF, wait a few seconds and press the TRIGGER to save the recorded information.




7. Select VIEW RECORDING, then press the TRIGGER.




8. Select both PIDs by highlighting and pressing the TRIGGER.
9. Press GRAPH.

NOTE: It will be necessary to press Number 8 key to advance the graph to the point where the CDCV is turned on.

Determine Malfunctioning Parts According To Fuel Tank Pressure Graph Pattern: