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:  Varies with ambient temperature
ECT Sensor Signal 129°C (264°F), 0.0 Volts -40°C (-40°F), 5.0 Volts -40°C (-40°F), 5.0 Volts1
Low Reference - -40°C (-40°F), 5.0 Volts -
1 Internal ECM damage may occur if the circuit is shorted to B+.