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Home >> Toyota >> 1984 >> Pickup Base, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Air Injection System >> Component Testing >> Three-Way Converter THERMO Sensor
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Three-Way Converter THERMO Sensor

Unplug wiring connector for thermo sensor under driver's seat. Using an ohmmeter, measure the resistance between both terminals at idle. Resistance should be 2-200 ohms. Reconnect wire connector. Check sensor wiring for damage and connector for looseness.