Circuit/System Testing
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.
- Ignition OFF, disconnect the harness connector of the CPP sensor.
- Ignition ON, observe the scan tool CPP sensor voltage parameter for 0.1-volt.
- If the voltage is below the specified value, replace the CPP sensor.
- If the voltage is above the specified value, replace the ECM.