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ECT Sensor Resistance Inspection
- Drain the engine coolant. (See
COOLING SYSTEM SERVICE WARNINGS
.)
- Remove the ECT sensor (located above the starter).
- Place the ECT sensor in water with a thermometer, and heat the water gradually.
- Measure the resistance between the ECT sensor terminals A and B using a tester.
- If not as specified, replace the ECT sensor.
- If the ECT sensor is normal, but PID value is out of specification, perform the "CIRCUIT OPEN/SHORT INSPECTION ".
WATER TEMPERATURE AND RESISTANCE SPECIFICATION
| Water temperature (°C {°F}) |
Resistance (kilohm) |
| 20 {68} |
35.48-39.20 |
| 80 {176} |
3.65-4.02 |