FixVault

Typical Scan Tool Data

IAT Sensor

Circuit Short to Ground Open or High Resistance Short to Voltage
Operating Conditions:  Ignition ON, engine running
Parameter Normal Range:  Varies with ambient temperature
IAT Sensor Signal 150°C (302°F) -40°C (-40°F) -40°C (-40°F)*
Low Reference - -40°C (-40°F) -40°C (-40°F)*
*Internal ECM or sensor damage may occur if the circuit is shorted to B+


ECT Sensor

Circuit Short to Ground Open or High Resistance Short to Voltage
Operating Conditions:  Ignition ON, engine running
Parameter Normal Range:  Varies with coolant temperature
ECT Sensor Signal 150°C (302°F) -40°C (-40°F) -40°C (-40°F)*
Low Reference - -40°C (-40°F) -40°C (-40°F)*
*Internal ECM or sensor damage may occur if the circuit is shorted to B+