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Coolant Temperature Sensor Resistance Specifications

COOLANT TEMPERATURE SENSOR SPECIFICATIONS (1)(2)

°F (°C) Ohms Volts at Socket
-4 (-20) 15,700 3.24 - 3.94
14 (-10) 9200 2.84 - 3.47
32 (0) 5900 2.39 - 2.93
50 (10) 3700 1.94 - 2.37
68 (20) 2500 1.51 - 1.84
86 (30) 1700 1.16 - 1.42
104 (40) 1180 0.88 - 1.08
122 (50) 840 0.66 - 0.80
140 (60) 600 0.50 - 0.61
158 (70) 435 0.38 - 0.46
176 (80) 325 0.29 - 0.35
194 (90) 247 0.22 - 0.26
(1) Measure resistance between sensor terminal and ground.
(2) See Fig 1 .
Fig 1: Coolant Temperature Sensor Resistance
G48217Courtesy of MERCEDES-BENZ OF NORTH AMERICA.