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Home >> Saab >> 1994 >> 9000 CS, 2.3 M, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Engine Sensors & Switches >> Engine Controls - System/Component Tests >> Coolant Temperature Sensor

Coolant Temperature Sensor

Turn ignition off. Unplug sensor connector. Sensor is threaded into intake manifold. Measure resistance between sensor terminals. Replace sensor if resistance is not as specified in appropriate ENGINE COOLANT TEMP SENSOR RESISTANCE table.

ENGINE COOLANT TEMP SENSOR RESISTANCE (900 SERIES) (1)

Temperature - °F (°C) Ohms
-22 (-30) 20,000-30,000
68 (20) 8300-10,600
104 (40) 2300-2700
140 (60) 565-670
176 (80) 295-365
194 (90) 200-240
230 (110) 140-160
(1) Measure resistance between sensor terminals.
ENGINE COOLANT TEMP SENSOR RESISTANCE (9000 SERIES EXCEPT TURBO) (1)

Temperature - °F (°C) Ohms
32 ( 0) 5800
50 (10) 3800
59 (15) 3000
68 (20) 2600
77 (25) 2000
86 (30) 1700
176 (80) 320
(1) Measure resistance between sensor terminals.
ENGINE COOLANT TEMP SENSOR RESISTANCE (9000 SERIES TURBO) (1)

Temperature - °F (°C) Ohms
-22 (-30) 20,000-30,000
14 (-10) 8300-10,600
68 (20) 2300-2700
104 (40) 1000-1300
140 (60) 560-670
176 (80) 300-360
(1) Measure resistance between sensor terminals.