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Home >> Mazda >> 1995 >> 929 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Engine Sensors & Switches >> Cold Start THERMOSWITCH

Cold Start THERMOSWITCH

Remove cold start thermoswitch. Place thermoswitch and thermometer in container of coolant. Connect ohmmeter to thermo-switch terminals. Slowly heat coolant. Note resistance at specified temperatures. See COLD START THERMOSWITCH RESISTANCE  table. Replace thermoswitch as necessary.

COLD START THERMOSWITCH RESISTANCE

Temperature Ohms
68°F (20°C) 25-35
176°F (80°C) 64-76