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Home >> Chevrolet >> 2010 >> Traverse LT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 472 (HVAC System - Automatic) >> Diagnostic Information and Procedures >> DTC B3933: Evaporator Air Temperature Sensor >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  1. Test the evaporator air temperature sensor by varying the sensor temperature while monitoring the sensor resistance.
  2. Compare the readings with the Sensor Resistance Table  and verify that the resistance is within 5 percent of the specification.
    • If not within the specified range, replace the sensor.
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