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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Controls And Fuel - 2.4L - DTC P0628 To DTC P2635 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2430, P2431, P2435, or P2436: Secondary Air Injection System Pressure Sensor Circuit >> Repair Verification

Repair Verification

WARNING: This page is about a different variant/trim than selected.
  1. Install any components or connectors that have been removed or replaced during diagnosis.
  2. Perform any adjustment, programming or setup procedures that are required when a component or module is removed or replaced.
  3. Clear the DTCs with a scan tool.
  4. Ignition OFF, all vehicle systems OFF. It may take up to 2 minutes for all vehicle systems to power down.
  5. Ignition ON.
  6. Verify the scan tool Secondary Air Injection Pressure Sensor Bank 1, Bank 2 and BARO pressure parameters are within 3 kPa (0.4 psi).
    • If not within the specified range 

      Refer to Circuit/System Verification-step 1

    • If within the specified range 
  7. Engine running.
  8. Verify the scan tool Secondary Air Injection Pressure Sensor Bank 1 and Bank 2 parameters increase between 5-11 kPa (0.7-1.6 psi) greater than BARO, when the Secondary Air Injection System is commanded ON with a scan tool.
    • If not within the specified range 

      Refer to Circuit/System Verification-step 1

    • If within the specified range 
  9. Verify the scan tool Secondary Air Injection Pressure Sensor Bank 1 and Bank 2 parameters increase between 14-22 kPa (2.0-3.2 psi), greater than BARO, when the Secondary Air Injection Pump Relay is commanded ON with a scan tool.
    • If not within the specified range 

      Refer to Circuit/System Verification-step 1

    • If within the specified range 
  10. If the repair was related to a DTC, duplicate the Conditions for Running the DTC and use the Freeze Frame/Failure Records, if applicable, in order to verify the DTC does not reset.
    • If no DTC sets. 
  11. All OK