Related PIDs Inspection/Tests: Notes

Item (definition)	Unit/Condition	Definition	Condition/Specification (Reference)
ECT	°C, °F	Engine coolant temperature input from ECT sensor No. 1	Displays ECT
ECT	V	ECT sensor No. 1 voltage	Ignition switched ON (engine off) ECT is 29 °C {84 °F}: Approx. 2.65 V Idle (after warm up) ECT is 88 °C {190 °F}: Approx. 0.71 V
IAT	°C, °F	Intake air temperature (No. 1) input from IAT sensor No. 1	Displays IAT (No. 1)
IAT	V	IAT sensor No. 1 voltage	IAT is 20 °C {68 °F}: Approx. 2.70 V IAT is 40 °C {104 °F}: Approx. 1.80 V IAT is 60 °C {140 °F}: Approx. 1.20 V
RPM	RPM	Engine speed	Displays engine speed