Engine Coolant Temperature (ECT) Sensor
Disconnect ECT temperature sensor connector. Set DVOM to 200 k/ohm scale. Measure resistance across sensor terminals. See the ECT SENSOR RESISTANCE/VOLTAGE and Figure for resistance specifications.
ECT SENSOR RESISTANCE/VOLTAGE
| Sensors °F (°C) | Specifications Volts (K Ohms) | |
|---|---|---|
| ECT Sensors | ||
| 248 (120) | .27 (1.18) | |
| 230 (110) | .35 (1.55) | |
| 212 (100) | .46 (2.07) | |
| 194 (90) | .60 (2.80) | |
| 176 (80) | .78 (3.84) | |
| 158 (70) | 1.02 (5.37) | |
| 140 (60) | 1.33 (7.70) | |
| 122 (50) | 1.70 (10.97) | |
| 104 (40) | 2.13 (16.15) | |
| 86 (30) | 2.60 (24.27) | |
| 68 (20) | 3.07 (37.30) | |
| 50 (10) | 3.51 (58.75) | |