Using Vacuum Pump
Whole system Inspection1. Disconnect the vacuum hose between the purge solenoid valve and the catch tank from the purge solenoid valve.
2. Insert the hose on the vacuum pump.
3. Connect the SSTs (NGS tester) to the DLC-2.
4. Turn the ignition switch to ON.
5. Select "GENERIC OBD-II FUNCTIONS" and press the TRIGGER.
6. Press Number 8 under CONT to continue the GENERIC OBD-II FUNCTIONS.
NOTE:
- The following conditions cancel the ON BOARD DEVICE CONTROL function:
- Ten minutes after the "TRIGGER" on the NGS tester is depressed.
- When engine is started.
- If the pressure in the EVAP control system exceeds 6.43 kPa {48.26 mmHg. 1.9 in Hg}.
- Therefore the following tests, Steps 7 through 15, should be conducted under the following conditions.
- Within 10 min after TRIGGER on NGS tester is depressed.
- Without starting the engine.
7. Turn the menu dial clockwise or counterclockwise to highlight the "ON BOARD DEVICE CONTROL" and press the TRIGGER.
8. Press CANCEL two times.
9. Select DIAGNOSTIC DATA LINK and press the TRIGGER.
10. Select PCM - POWERTRAIN CONTROL MODULE and press the TRIGGER.
11. Select PID/DATA MONITOR AND RECORD and press the TRIGGER.
12. Press Number 5 under CLEAR to clear previously selected PIDs.
13. Turn the menu dial clockwise or counterclockwise to highlight FTP and press TRIGGER.
14. Press Number 7 under START to view PIDs.
15. Apply vacuum to 1.7 kPa {13 mmHg, 0.5 inHg} and it should remain at the specified readings for a minimum of 2 min.
16. Return to the DTC Inspection Procedures, and answer questions.
Inspection from charcoal canister to fuel tank
1. Inspect for loose and wrongly connected hoses between the charcoal canister and the fuel tank.
2. Disconnect the vacuum hose between the charcoal canister and the fuel tank from the charcoal canister.
3. Insert the hose on the vacuum pump.
4. Connect the SSTs (NGS tester) to DLC-2.
5. Turn the ignition switch to ON.
6. Select GENERIC OBD-II FUNCTIONS and press F the TRIGGER
7. Press Number 8 under CONT to continue the GENERIC OBD-II FUNCTIONS.
NOTE:
- The following conditions cancel the ON BOARD DEVICE CONTROL function:
- Ten minutes after the TRIGGER on the NGS tester is depressed.
- When engine is started.
- If the pressure in the EVAP control system exceeds 6.43 kPa {48.26 mmHg, 1.9 inHg}.
- Therefore, the following tests, Steps 8 through 16, should be conducted under the following conditions.
- Within 10 min after TRIGGER on NGS tester is depressed.
- Ignition switch is ON, but is not started engine.
8. Turn the menu dial clockwise or counterclockwise to highlight the ON BOARD DEVICE CONTROL and press the TRIGGER.
9. Press CANCEL two times.
10. Select DIAGNOSTIC DATA LINK and press the TRIGGER.
11. Select PCM - POWERTRAIN CONTROL MODULE and press the TRIGGER.
12. Select PID/DATA MONITOR AND RECORD and press the TRIGGER.
13. Press Number 5 under CLEAR to clear previously selected PIDs.
14. Turn the menu dial clockwise or counterclockwise to highlight the FTP and press TRIGGER.
15. Press the Number 7 under STRAT to view PIDs.
16. Apply vacuum to 1.7 kPa {13 mmHg, 0.5 inHg} and it should remain at the specified readings for a minimum of 2 min.
17. Return to the DTC Inspection Procedures, and answer questions.
Inspection from charcoal canister to purge solenoid valve
1. Inspect for loose and wrongly connected hoses between the charcoal canister and the purge solenoid valve.
2. Disconnect the vacuum hose between the charcoal canister and the catch tank from the charcoal canister.
3. Insert the hose on the vacuum pump.
4. Apply vacuum to 3.3 kPa {25 mmHg, 1.0 inHg} and it should remain at the specified readings for a minimum of 2 min.
5. Return to the DTC Inspection Procedures, and answer questions.