Circuit/System Verification
WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, observe the scan tool DTC information. Verify no other DTC is set.
- If any other DTC is set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Engine idling, observe the appropriate scan tool HO2S voltage parameter. The voltage should fluctuate above and below the range of 401-519 mV.
- Observe the DTC information with a scan tool. DTCs P013A, P013C, P013E, and P014A should not set.
- 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.