toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Thermostat, Engine Cooling > < W/4A-C Engine & Calif. Emissions|Page 583
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Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection

Ohmmeter Connection

Fig. 59 Coolant thermo sensor test specifications

1.

Disconnect electrical connector from sensor and measure resistance between sensor terminals,Fig. 48.

2.

If measured resistance does not correspond to values shown in graph, Fig. 59, sensor is defective.

Thermostat, Engine Cooling > < W/4A-C Engine & Calif. Emissions|Page 583