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Home >> Volvo >> 1995 >> 940 Base, 4D Sedan, AW71L >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - Non-Turbo >> Engine Sensors & Switches >> Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor

  1. Disconnect Engine Coolant Temperature (ECT) sensor connector. Using an ohmmeter, measure resistance between ECT sensor terminals.
  2. If resistance is not as specified, replace sensor. See the ENGINE COOLANT TEMPERATURE SENSOR RESISTANCE table.
ENGINE COOLANT TEMPERATURE SENSOR RESISTANCE

Temperature °F (°C) Ohms
With LH Fuel Injection
14 (-10) 8260-10,560
68 (20) 2280-2720
176 (80) 290-364
With Regina Fuel Injection
14 (-10) 8200-10,600
68 (20) 2200-2800
176 (80) 250-400