FixVault

In-Vehicle Temperature Sensor Testing

Remove left instrument panel undercover. Unplug in-vehicle temperature sensor. Measure resistance between in-vehicle temperature sensor terminals while heating sensor. See IN-VEHICLE TEMPERATURE SENSOR SPECIFICATIONS  table. If resistance is not as specified, replace sensor.

IN-VEHICLE TEMPERATURE SENSOR SPECIFICATIONS

Sensor Temperature °F (°C) (1) Ohms
77 (25) 1650-1750
122 (50) 550-650
(1) As temperature increases, resistance should gradually decrease.