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Home >> Dodge and Ram >> 2003 >> Durango Base, 5.9 Z, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 73 (Air Conditioning Controls) >> Ambient Temp Sensor >> Diagnosis And Testing - Ambient Temperature Sensor >> Sensor Test

Sensor Test

WARNING: This page is about a different car, the 2003 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn the ignition switch to the Off position. Disconnect and isolate the battery negative cable. Disconnect the ambient temperature sensor harness connector.
  2. Measure the resistance of the ambient temperature sensor. At - 40°C (- 40°F), the sensor resistance is 336 kilohms. At 55°C (140°F), the sensor resistance is 2.488 kilohms. The sensor resistance should read between these two values. If OK, refer to Sensor Circuit Test  in the Diagnosis and Testing article of this group. If not OK, replace the faulty ambient temperature sensor.
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