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Typical Scan Tool Data

WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

The Typical Scan Tool Data table identifies a scan tool data parameter and its value in reference to potential circuit faults.

An example table from an ECT procedure:

ECT Sensor Temperature - PCM

Circuit Short to Ground Open Short to Voltage
Operating Conditions:  Engine Running
Parameter Normal Range:  -32 to +130°C (-26 to +275°F)
ECT Signal 140°C (284°F) -40°C (-40°F) -40°C (-40°F)
Low Reference - -40°C (-40°F) -40°C (-40°F)1
1 Internal ECM damage may occur if shorted to B+