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Home >> Chevrolet >> 2001 >> Camaro Base, 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Engine Control System Self-Diagnostics - 5.7L) >> Diagnostic Tests >> DTC P1415 & P1416: Air System - Bank 1 & 2 >> Diagnostic Procedures

Diagnostic Procedures

WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Did you perform the Diagnostic System Check-Engine Controls? If yes, go to next step. If no, see DIAGNOSTIC SYSTEM CHECK - ENGINE CONTROLS  under SELF-DIAGNOSTIC SYSTEM.
    2. NOTE: Before proceeding with this diagnostic table, ensure that the AIR pump is operating and that air is present at the outlet of the AIR pump. If the AIR pump is inoperative, refer to DTC P0410 for further diagnosis. See DTC P0410: SECONDARY AIR INJECTION (AIR) SYSTEM .
  2. Install a scan tool. Idle the engine in Closed Loop. Turn OFF all of the accessories. Monitor the HO2S voltage display for the applicable bank on the scan tool. Enable the AIR system using a scan tool. Observe and record the HO2S voltage while the AIR system is enabled. Does the HO2S voltage drop below 350 mV? If yes, see DIAGNOSTIC AIDS . If no, go to next step.
  3. Inspect all hoses and pipes for:
    • Proper connections.
    • Secure clamps on the pipes and on the hoses.
    • No kinks, holes, or pinched hoses or pipes.
    • Components with evidence of heat damage.

    Did you locate the condition? If yes, go to step  6. If no, go to next step.

  4. Disconnect the hose from the applicable check valve at the exhaust manifold. Enable the AIR system using a scan tool. Is air pressure present at the hose outlet? If yes, go to step  7. If no, go to next step.
  5. Repair the restriction or blockage in the applicable AIR hoses and pipes between the exhaust manifold and the point where the system branches to both sides of the engine. After repairs, go to step  8.
  6. Repair the condition. After repairs, go to step  8.
  7. Replace the applicable check valve. After repairs, go to next step.
  8. Clear the DTCs with a scan tool. Turn OFF the ignition. Start the engine. Operate the vehicle within the Conditions for Running DTC. Does the DTC run and pass? If yes, go to next step. If no, go to step  2.
  9. Observe the stored information, Capture Info with a scan tool. Does the scan tool display any DTCs that you have not diagnosed? If yes, see DIAGNOSTIC TROUBLE CODE DEFINITIONS . If no, system is okay.
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