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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 99 (Engine Controls - System/Component Tests - 5.9L Gasoline) >> Engine Sensors & Switches >> Coolant Temperature Sensor (Cts)

Coolant Temperature Sensor (Cts)

WARNING: This page is about a different car, the 1995 Dodge Ram Wagon, 1995 Dodge Ram Van, 1995 Dodge Pickup, and 1995 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. Sensor is located between generator and A/C compressor.
  2. With key off, disconnect wire connector from sensor. Connect ohmmeter between sensor terminals. See SENSOR RESISTANCE table. If ohmmeter readings are not within specification, replace CTS.
SENSOR RESISTANCE

Temperature Ohms
-40°F (-40°C) 291,490-381,710
-4°F (-20°C) 85,850-108,390
14°F (-10°C) 49,250-61,430
32°F (0°C) 29,330-35,990
50°F (10°C) 17,990-21,810
68°F (20°C) 11,370-13,610
77°F (25°C) 9120-10,880
86°F (30°C) 7370-8750
104°F (40°C) 4900-5750
122°F (50°C) 3330-3880
140°F (60°C) 2310-2670
158°F (70°C) 1630-1870
176°F (80°C) 1170-1340
194°F (90°C) 860-970
212°F (100°C) 640-720
230°F (110°C) 480-540
248°F (120°C) 370-410