Engine Temperature Sensor: Testing and Inspection
INSPECTION1. DRAIN ENGINE COOLANT
2. REMOVE THROTTLE BODY COVER
3. REMOVE INTAKE AIR CONNECTOR
4. DISCONNECT THROTTLE BODY FROM INTAKE MANIFOLDS
Remove the nut and 3 bolts, and disconnect the throttle body from the intake manifold.
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: 19.6 Nm (200 kgf.cm, 14ft-lbf)
b. Connect the ECT sensor connector.
8. REINSTALL THROTTLE BODY TO INTAKE MANIFOLDS
Install a new gasket and the throttle body with the 2 bolts and 2 nuts.
Torque: 20 Nm (204 kgf.cm, 15 ft.lbf)
9. REINSTALL INTAKE AIR CONNECTOR
10. REFILL WITH ENGINE COOLANT
11. REINSTALL THROTTLE BODY COVER