P1454
DTC P1454: FTP Sensor Circuit Range/Performance ProblemDTC P2422: EVAP Canister Vent Shut Valve Stuck Closed Malfunction
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch OFF.
4. Remove the fuel fill cap, and wait 1 minute.
5. Check the FTP SENSOR in the DATA LIST with the HDS.
Is it between -0.67 kPa and 0.67 kPa (-0.2 and 0.2 in.Hg, -5 and 5 mmHg), or 2.4 and 2.6 V?
YES - Go to step 6.
NO - Go to step 17.
6. Install the fuel fill cap.
7. Clear the DTC with the HDS.
8. Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or neutral) until the radiator fan comes on, then let it idle.
9. Monitor the OBD STATUS for DTC P1454 in the DTCs MENU with the HDS.
Does the screen indicate FAILED?
YES - Go to step 10.
NO - If the screen indicates PASSED, intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the FTP sensor, the EVAP canister vent shut valve, and the ECM/PCM. Also check for blockage in the canister filter, vent hoses, and drain joint. If the screen indicates NOT COMPLETED, go to step 8 and recheck.
10. Clear the DTC with the HDS.
11. Turn the ignition switch OFF.
12. Remove the EVAP canister vent shut valve from the EVAP canister.
13. Connect the 2P connector to the EVAP canister vent shut valve.
14. Turn the ignition switch ON (II).
15. Select EVAP CVS ON in the INSPECTION MENU with the HDS.
16. Check the EVAP canister vent shut valve (A) operation.
Does the valve operate?
YES - Check for a blockage in the EVAP canister, canister fitter, vent hoses, and drain joint, then install the EVAP canister vent shut valve, and go to step 23.
NO - Replace the EVAP canister vent shut valve, then go to step 26.
17. Remove the EVAP canister.
18. Disconnect the air tube (A) from the FTP sensor (B).
19. Install the EVAP canister.
20. Check the FTP SENSOR in the DATA LIST with the HDS.
Is it between -0.67 kPa and 0.67 kPa (-0.2 and 0.2 in.Hg, -5 and 5 mmHg), or 2.4 and 2.6 V?
YES - Check for a blockage in the FTP sensor air tube, then go to step 26.
NO - Go to step 21.
21. Turn the ignition switch OFF.
22. Remove the EVAP canister.
23. Remove the FTP sensor (A) from the EVAP canister with its connector connected.
24. Turn the ignition switch ON (II).
25. Check the FTP SENSOR in the DATA LIST with the HDS.
Is it between -0.67 kPa and 0.67 kPa (-0.2 and 0.2 in.Hg, -5 and 5 mmHg), or 2.4 and 2.6 V?
YES - Check for debris or clogging at the EVAP canister and the FTP sensor port, then go to step 26.
NO - Replace the FTP sensor, then go to step 26.
26. Turn the ignition switch ON (II).
27. Reset the ECM/PCM with the HDS.
28. Do the ECM/PCM idle learn procedure.
29. Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or neutral) until the radiator fan comes on, then let it idle.
30. Check for Temporary DTCs or DTCs with the HDS.
Are any Temporary DTCs or DTCs indicated?
YES - If DTC P1454 and/or P2422 is indicated, check for poor connections or loose terminals at the FTP sensor, the EVAP canister vent shut valve, and the ECM/PCM, then go to step 1. If any oth6r Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
NO - Go to step 31.
31. Monitor the OBD STATUS for DTC P1454 in the DTCs MENU with the HDS.
Does the screen indicate PASSED?
YES - troubleshooting is complete.
NO - If the screen indicates FAILED, check for poor connections or loose terminals at the FTP sensor, the EVAP canister vent shut valve, and the ECM/PCM then go to step 1. If the screen indicates NOT COMPLETED, go to step 29 and recheck.