Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.

Ignition ON.
Verify that DTC P0411, P0412, P0418, P2430, P2431, P2432 or P2433 is not set.
- If any of the DTCs are set
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- If none of the DTCs are set.
Verify the scan tool BARO pressure parameter is within the range specified in the Altitude Versus Barometric Pressure table.
- If not within the specified range
  Refer to DTC P2227-P2230 .
- If within the specified range
Verify the scan tool Secondary Air Injection Pressure Sensor parameter and the BARO pressure parameter are within 3 kPa (0.4 psi).
- If not within the specified range
  Replace the Q29 Secondary Air Injection Solenoid Valve
- If within the specified range
Engine running
Verify the scan tool Secondary Air Injection Pressure Sensor parameter increases between 14-25 kPa (2.0-3.6 psi) when the Secondary Air Injection Pump Relay is commanded ON with a scan tool.
- If not within the specified range
  Refer to Circuit/System Testing
- If within the specified range
Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
- If the DTC sets
  Refer to Circuit/System Testing
- If the DTC does not set
All OK