Escape, Mariner 2006-2007
Turn the ignition switch to the
Disconnect the Engine Coolant Temperature (ECT) sensor electrical connector.
Measure the resistance between ECT + pin 1 and ECT - pin 2 on sensor side of connector.
If resistance is not within specification replace sensor.
Fig. ECT sensor connector-3.0L engine
Fig. Engine coolant temperature (ECT) temperature-to-voltage table-3.0L engine
Fig. Temperature voltage and resistance specification chart-3.0L engine