Circuit/System Verification
- Ignition ON, observe the DTC information with a scan tool. Verify that DTCs P0106, P0107, P0236, P0237, P0238, P2227, P2228, P2229, or P2230, are not set.
- If a DTC is set, refer to Diagnostic Trouble Code (DTC) List - Vehicle for further diagnosis.
- Ignition ON, observe the scan tool MAP Sensor, BARO Sensor, and Turbo Boost Sensor parameters. Compare the parameters to the Altitude Versus Barometric Pressure
table.
- If one or more sensor parameters are out of range, refer to the appropriate diagnostic for more information.
- DTC P2227: Barometric Pressure (BARO) Sensor Performance
- DTC P0106: Manifold Absolute Pressure (MAP) Sensor Performance
- DTC P0236: Turbocharger Boost System Performance
- If one or more sensor parameters are out of range, refer to the appropriate diagnostic for more information.