ECT Sensor No.1 Inspection
- Disconnect the negative battery cable.
- Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS ).
- Remove the battery. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5] ).
- Disconnect the ECT sensor No.1 connector.
- Remove the ECT sensor No.1. (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR REMOVAL/INSTALLATION ).
- Place the ECT sensor No.1 in water with a thermometer, and heat the water gradually.
- Measure the resistance between the ECT sensor No.1 terminals using an ohmmeter.
- If not as specified, replace the ECT sensor No.1.
(See ENGINE COOLANT TEMPERATURE (ECT) SENSOR REMOVAL/INSTALLATION ).
ECT SENSOR NO.1 SPECIFICATIONECT (°C {°F}) Resistance (kilohms) 20 {68} Approx. 2.45 80 {176} Approx. 0.318 - If not as specified, replace the ECT sensor No.1.