Circuit/System Verification
WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- Verify that DTC P0641 or P0651 is not set.
- If any of the DTCs are set refer to DTC P0641 or P0651 .
- Ignition ON, observe the scan tool MAP Sensor parameter. The reading should be between 0.20-4.80 volts.
- 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.