DTC Troubleshooting: P2227 (13)
|DTC P2227:||BARO Sensor Range/Performance Problem|
|1.||Turn the ignition switch ON (II).|
|2.||Check the BARO SENSOR in the DATA LIST with the HDS.|
Is atmospheric pressure indicated?
YES - Go to 3.
NO - Go to 7.
|3.||Do the DTC CLEAR in the CLEAR MENU with the HDS.|
|4.||Start the engine. Hold the engine speed at 3,000 rpm (min-1) with no load (in neutral) until the radiator fan comes on, then let it idle.|
|5.||Test-drive under following conditions.|
|6.||Monitor the OBD STATUS for DTC P2227 in the DTCs MENU with the HDS.|
Is it FAILED?
YES - Go to 7.
NO - If it is PASSED, intermittent failure, system is OK at this time. If it is NOT COMPLETED, go to 4 and recheck.
|7.||Substitute a known-good ECM.|
|8.||Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS.|
Are any Temporary DTCs or DTCs indicated?
YES - If DTC P2227 indicated, check for poor connections at the ECM, then go to 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC troubleshooting.