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Electrical Specifications|Page 2450 > < Diagram Information and Instructions|Page 2445
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Coolant Temperature Sensor/Switch (For Computer): Electrical Specifications

NOTE:  For information on how this type of sensor operates SEE, Powertrain Management/Computers and Control Systems/Coolant Temperature
Sensor/Description and Operation.

NOTE:  Measure resistance using a high impedance Digital Volt Ohmmeter (DVOM).

COLD CURVE  (Reference voltage routed to sensor through PCM internal resistance of 10k ohm)

Temperature ................................................................................................................................................................................  Voltage    

-20° F ..........................................................................................................................................................................................  4.70 V    

-10° F ..........................................................................................................................................................................................  4.57 V    

  0° F ............................................................................................................................................................................................  4.45 V    

 10° F ...........................................................................................................................................................................................  4.30 V    

 20° F ...........................................................................................................................................................................................  4.10 V    

 30° F ...........................................................................................................................................................................................  3.90 V    

 40° F ...........................................................................................................................................................................................  3.60 V    

 50° F ...........................................................................................................................................................................................  3.30 V    

 60° F ...........................................................................................................................................................................................  3.00 V    

 70° F ...........................................................................................................................................................................................  2.75 V    

 80° F ...........................................................................................................................................................................................  2.44 V    

 90° F ...........................................................................................................................................................................................  2.15 V    

100° F ..........................................................................................................................................................................................  1.83 V    

110° F ..........................................................................................................................................................................................  1.57 V    

120° F ..........................................................................................................................................................................................  1.25 V    

HOT CURVE 

(Reference voltage routed to sensor through PCM internal resistance of 10 k ohm)

Temperature ................................................................................................................................................................................  Voltage    

110° F ..........................................................................................................................................................................................  4.20 V    

120° F ..........................................................................................................................................................................................  4.00 V    

130° F ..........................................................................................................................................................................................  3.77 V    

140° F ..........................................................................................................................................................................................  3.60 V    

150° F ..........................................................................................................................................................................................  3.40 V    

160° F ..........................................................................................................................................................................................  3.20 V    

170° F ..........................................................................................................................................................................................  3.02 V    

180° F ..........................................................................................................................................................................................  2.80 V    

190° F ..........................................................................................................................................................................................  2.60 V    

200° F ..........................................................................................................................................................................................  2.40 V    

Electrical Specifications|Page 2450 > < Diagram Information and Instructions|Page 2445