toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Engine Coolant Temperature Sender Gauge <--> [Temperature Sensor (Gauge)] > < Diagram Information and Instructions|Page 405
Page 1
background image

Engine Coolant Temperature Switch (For Computer): Testing and Inspection

ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION 

1. Drain engine coolant

2. Remove ECT sensor

3. 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.

4. Reinstall ECT sensor
5. Refill with engine coolant

Engine Coolant Temperature Sender Gauge <--> [Temperature Sensor (Gauge)] > < Diagram Information and Instructions|Page 405