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Coolant Temperature Sensor Specifications

COOLANT TEMPERATURE SENSOR SPECIFICATIONS (CIS-E 2.3L)

Temperature °F (°C) (1) Ohms Volts
-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 .88-1.08
122 (50) 840 .66-.80
140 (60) 600 .50-.61
158 (70) 435 .38-.46
176 (80) 325 .29-.35
194 (90) 247 .22-.26
(1) When measuring resistance, measure across 2 terminals diagonally. See Fig 1 .
Fig 1: Measuring Resistance Of Coolant Temperature Sensor
G91C17469Courtesy of MERCEDES-BENZ OF NORTH AMERICA.