FixVault

Typical Scan Tool Data

ECT Sensor

Circuit Short to Ground Open Short to Voltage
Operating Conditions:  Engine operating in Closed Loop.
Parameter Normal Range:  -39 to +140°C (-38 to +284°F) Varies with coolant temperature.
ECT Sensor Signal 129°C (264°F), 0.0 Volts -40°C (-40°F), 5.0 Volts -40°C (-40°F), 5.0 Volts
Low Reference -40°C (-40°F), 5.0 Volts -40°C (-40°F), 5.0 Volts -40°C (-40°F), 5.0 Volts 1
1 Internal ECM damage may occur if the circuit is shorted to B+.