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Coolant Temperature Sensor Specifications

COOLANT TEMPERATURE SENSOR SPECIFICATIONS (HFM-SFI) (1)

Temperature °F (°C) Ohms Volts
68 (20) 2500 3.5
86 (30) 1700 3.1
104 (40) 1170 2.7
122 (50) 830 2.3
140 (60) 600 1.9
158 (70) 435 1.5
176 (80) 325 1.2
194 (90) 245 1.0
212 (100) 185 .8
(1) Specifications may vary slightly.
COOLANT TEMPERATURE SENSOR SPECIFICATIONS (ME-SFI) (1)

Coolant Temperature (2) Ohms
68°F (20°C) 3100
176°F (80°C) 315
(1) Specifications may vary slightly.
(2) Some models use a 4-pin sensor. Measure across 2 terminals diagonally.