Engine Coolant Temperature (ECT) Sensor
NOTE:
B2300 & Tribute 2.0L use a Cylinder Head Temperature (CHT) sensor. See CYLINDER HEAD TEMPERATURE (CHT) SENSOR
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ECT sensor is a thermistor device which changes resistance proportionate to temperature changes. ECT sensor inputs engine coolant temperature to PCM. For ECT sensor location, see CHT & ECT SENSOR LOCATIONS table.
CHT & ECT SENSOR LOCATIONS
| Application | Location | |||
|---|---|---|---|---|
| B2300 (1) | Top Center Of Cylinder Head | |||
| B2500 | Top Front Of Engine | |||
| B3000 & B4000 | Top Front Of Engine | |||
| Miata | Top Rear Of Engine | |||
| Millenia | ||||
| 2.3L | Top Right Side Of Engine | |||
| 2.5L | Top Front Of Engine | |||
| MPV | Top Rear Of Engine | |||
| Protege | Top Rear Of Engine | |||
| Tribute | ||||
| 2.0L (1) | Front Of Engine By Alternator | |||
| 3.0L | Top Rear Of Engine | |||
| 626 | ||||
| 2.0L | Top Rear Of Engine | |||
| 2.5L | Top Front Of Engine | |||
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