Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection
ENGINE COOLANT TEMPERATURE (ECT) SENSORINSPECTION
1. DRAIN ENGINE COOLANT
2. REMOVE THROTTLE BODY COVER
3. REMOVE INTAKE AIR CONNECTOR
4. DISCONNECT THROTTLE BODY FROM INTAKE MANIFOLDS
a. Disconnect the accelerator cable from the throttle body.
b. Remove the 2 bolts and 2 nuts, and disconnect the throttle body from the intake manifold.
c. Remove the gasket.
5. REMOVE ECT SENSOR
a. Disconnect the ECT sensor connector.
b. Remove the ECT sensor and gasket.
6. INSPECT ECT SENSOR
Using an ohmmeter, measure the resistance between the terminals.
Resistance: Refer to the graph
If the resistance is not as specified, replace the ECT sensor.
7. REINSTALL ECT SENSOR
a. Install a new gasket and the ECT sensor.
Torque: 20.4 N.m (208 kg.cm, 15 ft.lb)
b. Connect the ECT sensor connector.
8. REINSTALL THROTTLE BODY TO INTAKE MANIFOLDS
a. Install a new gasket and the throttle body with the 2 bolts and 2 nuts.
Torque: 18 N.m (185 kg.cm, 13 ft.lb)
b. Connect the accelerator cable to the throttle body.
9. REINSTALL INTAKE AIR CONNECTOR
10. REFILL WITH ENGINE COOLANT
11. REINSTALL THROTTLE BODY COVER