toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Coolant Temperature Sensor/Switch (For Computer)|Locations|Page 2346 > < Coolant Temperature Sensor/Switch (For Computer)|Locations|Page 2344
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Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection

INSPECTION

1. DRAIN ENGINE COOLANT
2. REMOVE THROTTLE BODY COVER
3. REMOVE INTAKE AIR CONNECTOR
4. DISCONNECT THROTTLE BODY FROM INTAKE MANIFOLDS

a. Remove the 2 bolts and 2 nuts, and disconnect the throttle body from the intake manifold.
b. 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: 19.6 N.m (200 kgf.cm, 14 ft.lbf)

b. Connect the ECT sensor connector.

Coolant Temperature Sensor/Switch (For Computer)|Locations|Page 2346 > < Coolant Temperature Sensor/Switch (For Computer)|Locations|Page 2344